diff --git a/.github/workflows/module-test.yml b/.github/workflows/module-test.yml
new file mode 100644
index 0000000..795d8d4
--- /dev/null
+++ b/.github/workflows/module-test.yml
@@ -0,0 +1,49 @@
+name: Run module tests
+
+on:
+  pull_request:
+    paths-ignore:
+      - '**.md'
+
+  schedule:
+    - cron:  '0 6 * * *'
+
+env:
+   DRUPAL_TESTING_TEST_CODING_STYLES: false
+   DRUPAL_TESTING_DATABASE_USER: root
+   DRUPAL_TESTING_DATABASE_PASSWORD: root
+   DRUPAL_TESTING_DATABASE_ENGINE: mysql
+   DRUPAL_TESTING_DRUPAL_VERSION: '~8.8.0'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        PHP: ['7.3', '7.4']
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - uses: shivammathur/setup-php@v2
+      with:
+        coverage: none
+        php-version: ${{ matrix.PHP }}
+
+    - name: Start MySql service
+      run: sudo /etc/init.d/mysql start
+
+    - name: Cache composer dependencies
+      uses: actions/cache@v1
+      with:
+        path: ~/.composer/cache
+        key: ${{ runner.os }}-composer-cache-${{ hashFiles('**/composer.json') }}
+        restore-keys: ${{ runner.os }}-composer-cache-
+
+    - name: Get build environment
+      run: composer global require thunder/drupal-testing
+
+    - name: Run the tests
+      run: test-drupal-project
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
new file mode 100644
index 0000000..a3f8995
--- /dev/null
+++ b/.github/workflows/reviewdog.yml
@@ -0,0 +1,39 @@
+name: Check coding styles
+
+on: [pull_request]
+
+jobs:
+  eslint:
+    name: runner / eslint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: eslint
+        uses: reviewdog/action-eslint@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+
+  phpcs:
+    name: runner / phpcs
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: phpcs
+        uses: chrfritsch/action-drupal-coder@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          level: error
+
+  misspell:
+    name: runner / misspell
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: reviewdog/action-misspell@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          reporter: github-check
+          level: warning
+          locale: "US"
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index e5ac875..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,33 +0,0 @@
-language: php
-dist: xenial
-
-services:
-  - mysql
-
-cache:
-  apt: true
-  directories:
-  - "$HOME/.composer/cache"
-  - "$HOME/.drush/cache"
-  - "$HOME/.npm"
-
-php:
-  - 7.2
-
-branches:
-  only:
-    - /^8\.([0-9]+|x)\-[0-9]+\.([0-9]+|x)$/
-
-env:
-  global:
-    - DRUPAL_TRAVIS_TEST_JAVASCRIPT=false
-    - PATH="$PATH:$HOME/.composer/vendor/bin"
-
-before_install:
-  - composer global require thunder/travis
-
-script:
-  - test-drupal-module
-
-notifications:
-  email: false
diff --git a/composer.json b/composer.json
index 1944ca2..bc66ab7 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,8 @@
   "license": "GPL-2.0-or-later",
   "minimum-stability": "dev",
   "require": {
-    "drupal/breakpoint_js_settings": "~1.0"
+      "drupal/breakpoint_js_settings": "~1.0",
+      "drupal/token": "^1.7"
   },
   "require-dev": {
     "burdamagazinorg/thunder-dev-tools": "dev-master"
diff --git a/config/schema/ivw_integration.schema.yml b/config/schema/ivw_integration.schema.yml
index c880eec..22ddb5a 100644
--- a/config/schema/ivw_integration.schema.yml
+++ b/config/schema/ivw_integration.schema.yml
@@ -1,3 +1,41 @@
+field.value.ivw_integration_settings:
+  type: mapping
+  label: 'Default value'
+  mapping:
+    offering:
+      type: string
+      label: 'Offering'
+    language:
+      type: string
+      label: 'Language'
+    frabo:
+      type: string
+      label: 'Frabo'
+    frabo_mobile:
+      type: string
+      label: 'Frabo mobile'
+    format:
+      type: string
+      label: 'Format'
+    creator:
+      type: string
+      label: 'Creator'
+    homepage:
+      type: string
+      label: 'Homepage'
+    delivery:
+      type: string
+      label: 'Delivery'
+    app:
+      type: string
+      label: 'App'
+    paid:
+      type: string
+      label: 'Paid'
+    content:
+      type: string
+      label: 'Content'
+
 ivw_integration.settings:
   type: config_object
   label: 'IVW Settings'
@@ -24,38 +62,38 @@ ivw_integration.settings:
       type: boolean
       label: 'Offering setting is overridable'
     language_default:
-       type: integer
-       label: 'Default language code'
+      type: integer
+      label: 'Default language code'
     language_overridable:
       type: boolean
       label: 'Language setting is overridable'
     format_default:
-       type: integer
-       label: 'Default format code'
+      type: integer
+      label: 'Default format code'
     format_overridable:
       type: boolean
       label: 'Format setting is overridable'
     creator_default:
-       type: integer
-       label: 'Default creator code'
+      type: integer
+      label: 'Default creator code'
     creator_overridable:
       type: boolean
       label: 'Creator setting is overridable'
     homepage_default:
-       type: integer
-       label: 'Default homepage code'
+      type: integer
+      label: 'Default homepage code'
     homepage_overridable:
       type: boolean
       label: 'Homepage setting is overridable'
     delivery_default:
-       type: integer
-       label: 'Default delivery code'
+      type: integer
+      label: 'Default delivery code'
     delivery_overridable:
       type: boolean
       label: 'Delivery setting is overridable'
     app_default:
-       type: integer
-       label: 'Default app flag'
+      type: integer
+      label: 'Default app flag'
     app_overridable:
       type: boolean
       label: 'App setting is overridable'
@@ -66,8 +104,8 @@ ivw_integration.settings:
       type: boolean
       label: 'Paid setting is overridable'
     content_default:
-       type: string
-       label: 'Default content code'
+      type: string
+      label: 'Default content code'
     content_overridable:
       type: boolean
       label: 'Content setting is overridable'
diff --git a/src/IvwLookupService.php b/src/IvwLookupService.php
index 52a6efb..ea22b5d 100644
--- a/src/IvwLookupService.php
+++ b/src/IvwLookupService.php
@@ -238,6 +238,7 @@ public function byTerm($name, TermInterface $term, $parentOnly = FALSE) {
    *   The property value.
    */
   protected function searchEntity($name, ContentEntityInterface $entity, $parentOnly = FALSE) {
+    $termOverride = NULL;
     // Search for ivw_integration_settings field.
     foreach ($entity->getFieldDefinitions() as $fieldDefinition) {
       $fieldType = $fieldDefinition->getType();
@@ -246,14 +247,15 @@ protected function searchEntity($name, ContentEntityInterface $entity, $parentOn
          * If settings are found, check if an overridden value for the
          * given setting is found and return that
          */
-        $overiddenSetting = $this->getOverriddenIvwSetting($name, $fieldDefinition, $entity);
+        $overiddenSetting = $this->getOverriddenIvwSetting($name,
+          $fieldDefinition, $entity);
         if (isset($overiddenSetting)) {
           return $overiddenSetting;
         }
       }
 
       // Check for fallback categories if no ivw_integration_setting is found.
-      if ($fieldType === 'entity_reference' && $fieldDefinition->getSetting('target_type') === 'taxonomy_term') {
+      if (!isset($termOverride) && $fieldType === 'entity_reference' && $fieldDefinition->getSetting('target_type') === 'taxonomy_term') {
         $fieldName = $fieldDefinition->getName();
         if ($tid = $entity->$fieldName->target_id) {
           /** @var \Drupal\taxonomy\TermInterface $term */
@@ -265,14 +267,10 @@ protected function searchEntity($name, ContentEntityInterface $entity, $parentOn
           }
         }
       }
-
-      // Return found termOverride.
-      if (isset($termOverride)) {
-        return $termOverride;
-      }
     }
 
-    return NULL;
+    // Return found termOverride.
+    return $termOverride ?? NULL;
   }
 
   /**
diff --git a/tests/modules/ivw_integration_test/config/install/block.block.ivwcall.yml b/tests/modules/ivw_integration_test/config/install/block.block.ivwcall.yml
new file mode 100644
index 0000000..87e5ccb
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/block.block.ivwcall.yml
@@ -0,0 +1,19 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - ivw_integration
+  theme:
+    - stark
+id: ivwcall
+theme: stark
+region: header
+weight: 0
+provider: null
+plugin: ivw_integration_call_block
+settings:
+  id: ivw_integration_call_block
+  label: 'IVW call'
+  provider: ivw_integration
+  label_display: visible
+visibility: {  }
diff --git a/tests/modules/ivw_integration_test/config/install/core.entity_form_display.node.ivw_test.default.yml b/tests/modules/ivw_integration_test/config/install/core.entity_form_display.node.ivw_test.default.yml
new file mode 100644
index 0000000..8dea21d
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/core.entity_form_display.node.ivw_test.default.yml
@@ -0,0 +1,79 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.node.ivw_test.field_a
+    - field.field.node.ivw_test.field_ivw_settings
+    - field.field.node.ivw_test.field_z
+    - node.type.ivw_test
+  module:
+    - ivw_integration
+id: node.ivw_test.default
+targetEntityType: node
+bundle: ivw_test
+mode: default
+content:
+  created:
+    type: datetime_timestamp
+    weight: 2
+    region: content
+    settings: {  }
+    third_party_settings: {  }
+  field_a:
+    weight: 26
+    settings: {  }
+    third_party_settings: {  }
+    type: options_select
+    region: content
+  field_ivw_settings:
+    type: ivw_integration_widget
+    weight: 6
+    region: content
+    settings: {  }
+    third_party_settings: {  }
+  field_z:
+    weight: 27
+    settings: {  }
+    third_party_settings: {  }
+    type: options_select
+    region: content
+  promote:
+    type: boolean_checkbox
+    settings:
+      display_label: true
+    weight: 3
+    region: content
+    third_party_settings: {  }
+  status:
+    type: boolean_checkbox
+    settings:
+      display_label: true
+    weight: 5
+    region: content
+    third_party_settings: {  }
+  sticky:
+    type: boolean_checkbox
+    settings:
+      display_label: true
+    weight: 4
+    region: content
+    third_party_settings: {  }
+  title:
+    type: string_textfield
+    weight: 0
+    region: content
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+  uid:
+    type: entity_reference_autocomplete
+    weight: 1
+    settings:
+      match_operator: CONTAINS
+      size: 60
+      placeholder: ''
+      match_limit: 10
+    region: content
+    third_party_settings: {  }
+hidden: {  }
diff --git a/tests/modules/ivw_integration_test/config/install/core.entity_form_display.taxonomy_term.ivw_taxonomy.default.yml b/tests/modules/ivw_integration_test/config/install/core.entity_form_display.taxonomy_term.ivw_taxonomy.default.yml
new file mode 100644
index 0000000..ce760d9
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/core.entity_form_display.taxonomy_term.ivw_taxonomy.default.yml
@@ -0,0 +1,44 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.taxonomy_term.ivw_taxonomy.field_ivw_settings
+    - taxonomy.vocabulary.ivw_taxonomy
+  module:
+    - ivw_integration
+    - text
+id: taxonomy_term.ivw_taxonomy.default
+targetEntityType: taxonomy_term
+bundle: ivw_taxonomy
+mode: default
+content:
+  description:
+    type: text_textfield
+    weight: 0
+    region: content
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+  field_ivw_settings:
+    weight: 101
+    settings: {  }
+    third_party_settings: {  }
+    type: ivw_integration_widget
+    region: content
+  name:
+    type: string_textfield
+    weight: -5
+    region: content
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+  status:
+    type: boolean_checkbox
+    settings:
+      display_label: true
+    weight: 100
+    region: content
+    third_party_settings: {  }
+hidden: {  }
diff --git a/tests/modules/ivw_integration_test/config/install/core.entity_view_display.node.ivw_test.default.yml b/tests/modules/ivw_integration_test/config/install/core.entity_view_display.node.ivw_test.default.yml
new file mode 100644
index 0000000..de881f2
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/core.entity_view_display.node.ivw_test.default.yml
@@ -0,0 +1,38 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.node.ivw_test.field_a
+    - field.field.node.ivw_test.field_ivw_settings
+    - field.field.node.ivw_test.field_z
+    - node.type.ivw_test
+  module:
+    - user
+id: node.ivw_test.default
+targetEntityType: node
+bundle: ivw_test
+mode: default
+content:
+  field_a:
+    weight: 1
+    label: above
+    settings:
+      link: true
+    third_party_settings: {  }
+    type: entity_reference_label
+    region: content
+  field_z:
+    weight: 2
+    label: above
+    settings:
+      link: true
+    third_party_settings: {  }
+    type: entity_reference_label
+    region: content
+  links:
+    weight: 0
+    region: content
+    settings: {  }
+    third_party_settings: {  }
+hidden:
+  field_ivw_settings: true
diff --git a/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_a.yml b/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_a.yml
new file mode 100644
index 0000000..d2d7036
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_a.yml
@@ -0,0 +1,28 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.field_a
+    - node.type.ivw_test
+    - taxonomy.vocabulary.ivw_taxonomy
+id: node.ivw_test.field_a
+field_name: field_a
+entity_type: node
+bundle: ivw_test
+label: a
+description: ''
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  handler: 'default:taxonomy_term'
+  handler_settings:
+    target_bundles:
+      ivw_taxonomy: ivw_taxonomy
+    sort:
+      field: name
+      direction: asc
+    auto_create: false
+    auto_create_bundle: ''
+field_type: entity_reference
diff --git a/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_ivw_settings.yml b/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_ivw_settings.yml
new file mode 100644
index 0000000..f1027b5
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_ivw_settings.yml
@@ -0,0 +1,32 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.field_ivw_settings
+    - node.type.ivw_test
+  module:
+    - ivw_integration
+id: node.ivw_test.field_ivw_settings
+field_name: field_ivw_settings
+entity_type: node
+bundle: ivw_test
+label: 'ivw settings'
+description: ''
+required: false
+translatable: false
+default_value:
+  -
+    offering: null
+    language: null
+    frabo: null
+    frabo_mobile: null
+    format: ''
+    creator: ''
+    homepage: null
+    delivery: null
+    app: null
+    paid: null
+    content: ''
+default_value_callback: ''
+settings: {  }
+field_type: ivw_integration_settings
diff --git a/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_z.yml b/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_z.yml
new file mode 100644
index 0000000..cfccb8e
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.field.node.ivw_test.field_z.yml
@@ -0,0 +1,28 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.field_z
+    - node.type.ivw_test
+    - taxonomy.vocabulary.ivw_taxonomy
+id: node.ivw_test.field_z
+field_name: field_z
+entity_type: node
+bundle: ivw_test
+label: z
+description: ''
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  handler: 'default:taxonomy_term'
+  handler_settings:
+    target_bundles:
+      ivw_taxonomy: ivw_taxonomy
+    sort:
+      field: name
+      direction: asc
+    auto_create: false
+    auto_create_bundle: ''
+field_type: entity_reference
diff --git a/tests/modules/ivw_integration_test/config/install/field.field.taxonomy_term.ivw_taxonomy.field_ivw_settings.yml b/tests/modules/ivw_integration_test/config/install/field.field.taxonomy_term.ivw_taxonomy.field_ivw_settings.yml
new file mode 100644
index 0000000..d5752b4
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.field.taxonomy_term.ivw_taxonomy.field_ivw_settings.yml
@@ -0,0 +1,20 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.taxonomy_term.field_ivw_settings
+    - taxonomy.vocabulary.ivw_taxonomy
+  module:
+    - ivw_integration
+id: taxonomy_term.ivw_taxonomy.field_ivw_settings
+field_name: field_ivw_settings
+entity_type: taxonomy_term
+bundle: ivw_taxonomy
+label: 'ivw settings'
+description: ''
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings: {  }
+field_type: ivw_integration_settings
diff --git a/tests/modules/ivw_integration_test/config/install/field.storage.node.field_a.yml b/tests/modules/ivw_integration_test/config/install/field.storage.node.field_a.yml
new file mode 100644
index 0000000..e92ffaf
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.storage.node.field_a.yml
@@ -0,0 +1,19 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - node
+    - taxonomy
+id: node.field_a
+field_name: field_a
+entity_type: node
+type: entity_reference
+settings:
+  target_type: taxonomy_term
+module: core
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false
diff --git a/tests/modules/ivw_integration_test/config/install/field.storage.node.field_ivw_settings.yml b/tests/modules/ivw_integration_test/config/install/field.storage.node.field_ivw_settings.yml
new file mode 100644
index 0000000..fdb1143
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.storage.node.field_ivw_settings.yml
@@ -0,0 +1,18 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - ivw_integration
+    - node
+id: node.field_ivw_settings
+field_name: field_ivw_settings
+entity_type: node
+type: ivw_integration_settings
+settings: {  }
+module: ivw_integration
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false
diff --git a/tests/modules/ivw_integration_test/config/install/field.storage.node.field_z.yml b/tests/modules/ivw_integration_test/config/install/field.storage.node.field_z.yml
new file mode 100644
index 0000000..dfe93f6
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.storage.node.field_z.yml
@@ -0,0 +1,19 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - node
+    - taxonomy
+id: node.field_z
+field_name: field_z
+entity_type: node
+type: entity_reference
+settings:
+  target_type: taxonomy_term
+module: core
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false
diff --git a/tests/modules/ivw_integration_test/config/install/field.storage.taxonomy_term.field_ivw_settings.yml b/tests/modules/ivw_integration_test/config/install/field.storage.taxonomy_term.field_ivw_settings.yml
new file mode 100644
index 0000000..d4ff395
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/field.storage.taxonomy_term.field_ivw_settings.yml
@@ -0,0 +1,18 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - ivw_integration
+    - taxonomy
+id: taxonomy_term.field_ivw_settings
+field_name: field_ivw_settings
+entity_type: taxonomy_term
+type: ivw_integration_settings
+settings: {  }
+module: ivw_integration
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false
diff --git a/tests/modules/ivw_integration_test/config/install/node.type.ivw_test.yml b/tests/modules/ivw_integration_test/config/install/node.type.ivw_test.yml
new file mode 100644
index 0000000..10cfb3d
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/node.type.ivw_test.yml
@@ -0,0 +1,10 @@
+langcode: en
+status: true
+dependencies: {  }
+name: 'ivw test'
+type: ivw_test
+description: ''
+help: ''
+new_revision: true
+preview_mode: 1
+display_submitted: true
diff --git a/tests/modules/ivw_integration_test/config/install/taxonomy.vocabulary.ivw_taxonomy.yml b/tests/modules/ivw_integration_test/config/install/taxonomy.vocabulary.ivw_taxonomy.yml
new file mode 100644
index 0000000..f136c9a
--- /dev/null
+++ b/tests/modules/ivw_integration_test/config/install/taxonomy.vocabulary.ivw_taxonomy.yml
@@ -0,0 +1,7 @@
+langcode: en
+status: true
+dependencies: {  }
+name: 'ivw taxonomy'
+vid: ivw_taxonomy
+description: ''
+weight: 0
diff --git a/tests/modules/ivw_integration_test/ivw_integration_test.info.yml b/tests/modules/ivw_integration_test/ivw_integration_test.info.yml
new file mode 100644
index 0000000..d2eb1a3
--- /dev/null
+++ b/tests/modules/ivw_integration_test/ivw_integration_test.info.yml
@@ -0,0 +1,10 @@
+name: 'IVW integration test'
+type: module
+description: 'Support module for IVW integration tests.'
+package: Testing
+dependencies:
+  - ivw_integration:ivw_integration
+  - drupal:field
+  - drupal:node
+  - drupal:block
+  - drupal:taxonomy
diff --git a/tests/src/Functional/IvwIntegrationOverrideTest.php b/tests/src/Functional/IvwIntegrationOverrideTest.php
new file mode 100644
index 0000000..6f65dc7
--- /dev/null
+++ b/tests/src/Functional/IvwIntegrationOverrideTest.php
@@ -0,0 +1,231 @@
+<?php
+
+namespace Drupal\Tests\ivw_integration\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Test override functionality of ivw.
+ *
+ * @group ivw_integration
+ */
+class IvwIntegrationOverrideTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  protected static $modules = [
+    'taxonomy',
+    'field',
+    'node',
+    'block',
+    'ivw_integration_test',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * A test user with permission to access the administrative toolbar.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $adminUser;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    // Create and log in an administrative user.
+    $this->adminUser = $this->drupalCreateUser([
+      'create ivw_test content',
+      'administer ivw integration configuration',
+      'create terms in ivw_taxonomy',
+    ]);
+
+    // Setting defaults. To provide sane defaults and have a quick reference for
+    // the actual tests.
+    $this->config('ivw_integration.settings')->set('site', 'TestSiteName')
+      ->set('mobile_site', 'TestMobileSiteName')
+      ->set('frabo_default', 'IN')
+      ->set('frabo_mobile_default', 'mo')
+      ->set('frabo_overridable', 0)
+      ->set('frabo_mobile_overridable', 0)
+      ->set('code_template', '[ivw:offering]L[ivw:language]F[ivw:format]S[ivw:creator]H[ivw:homepage]D[ivw:delivery]A[ivw:app]P[ivw:paid]C[ivw:content]')
+      ->set('responsive', 1)
+      ->set('mobile_width', 480)
+      ->set('offering_default', '01')
+      ->set('offering_overridable', 0)
+      ->set('language_default', 1)
+      ->set('language_overridable', 0)
+      ->set('format_default', 1)
+      ->set('format_overridable', 0)
+      ->set('creator_default', 1)
+      ->set('creator_overridable', 0)
+      ->set('homepage_default', 2)
+      ->set('homepage_overridable', 0)
+      ->set('delivery_default', 1)
+      ->set('delivery_overridable', 0)
+      ->set('app_default', 1)
+      ->set('app_overridable', 0)
+      ->set('paid_default', 1)
+      ->set('paid_overridable', 0)
+      ->set('content_default', '01')
+      ->set('content_overridable', 0)
+      ->set('mcvd', 0)
+      ->save();
+
+    $this->drupalLogin($this->adminUser);
+  }
+
+  /**
+   * Tests overriding of site values.
+   *
+   * @dataProvider overrideTestCases
+   */
+  public function testOverride($settings, $termFieldOverrides, $nodeOverrides, $expectedOutput) {
+    if (!empty($settings)) {
+      $ivwSettings = $this->config('ivw_integration.settings');
+      foreach ($settings as $settingName => $settingValue) {
+        $ivwSettings->set($settingName, $settingValue);
+      }
+      $ivwSettings->save();
+    }
+
+    $nodeEdit = [
+      'title[0][value]' => $this->randomString(),
+    ];
+
+    if (!empty($nodeOverrides)) {
+      foreach ($nodeOverrides as $nodeOverrideName => $nodeOverrideValue) {
+        $nodeEdit["field_ivw_settings[0][$nodeOverrideName]"] = $nodeOverrideValue;
+      }
+    }
+
+    if (!empty($termFieldOverrides)) {
+      $field_name = array_key_first($termFieldOverrides);
+
+      // Load the term edit page.
+      $this->drupalGet('admin/structure/taxonomy/manage/ivw_taxonomy/add');
+      $this->assertSession()->statusCodeEquals(200);
+
+      $termName = $this->randomString();
+      $termEdit = [
+        'name[0][value]' => $termName,
+      ];
+
+      foreach ($termFieldOverrides[$field_name] as $termOverrideName => $termOverrideValue) {
+        $termEdit["field_ivw_settings[0][$termOverrideName]"] = $termOverrideValue;
+      }
+
+      $this->drupalPostForm(NULL, $termEdit, 'Save');
+
+      $terms = taxonomy_term_load_multiple_by_name($termName);
+      $term = reset($terms);
+      $nodeEdit[$field_name] = $term->id();
+    }
+
+    // Load the node edit page.
+    $this->drupalGet('node/add/ivw_test');
+    $this->assertSession()->statusCodeEquals(200);
+
+    $this->drupalPostForm(NULL, $nodeEdit, 'Save');
+    $this->assertSession()->pageTextContains($expectedOutput);
+  }
+
+  /**
+   * A data provider for testOverride.
+   */
+  public function overrideTestCases() {
+    return [
+      'No overrides' => [
+        [
+          'content_default' => '01',
+          'content_overridable' => 0,
+          'code_template' => 'IVWContent-[ivw:content]',
+        ],
+        [],
+        [],
+        'IVWContent-01',
+      ],
+      'Override enabled, but no override value given in node' => [
+        [
+          'content_default' => '01',
+          'content_overridable' => 1,
+          'code_template' => 'IVWContent-[ivw:content]',
+        ],
+        [],
+        [],
+        'IVWContent-01',
+      ],
+      'Override with value given in node' => [
+        [
+          'content_default' => '01',
+          'content_overridable' => 1,
+          'code_template' => 'IVWContent-[ivw:content]',
+        ],
+        [],
+        [
+          'content' => '02',
+        ],
+        'IVWContent-02',
+      ],
+      'Override with value given in taxonomy' => [
+        [
+          'content_default' => '01',
+          'content_overridable' => 1,
+          'code_template' => 'IVWContent-[ivw:content]',
+        ],
+        [
+          'field_a' =>
+            [
+              'content' => '03',
+            ],
+        ],
+        [],
+        'IVWContent-03',
+      ],
+      'Override with value given in taxonomy field a and node' => [
+        [
+          'content_default' => '01',
+          'content_overridable' => 1,
+          'code_template' => 'IVWContent-[ivw:content]',
+        ],
+        [
+          'field_a' =>
+            [
+              'content' => '04',
+            ],
+        ],
+        [
+          'content' => '05',
+        ],
+        'IVWContent-05',
+      ],
+      'Override with value given in taxonomy field z and node' => [
+        [
+          'content_default' => '01',
+          'content_overridable' => 1,
+          'code_template' => 'IVWContent-[ivw:content]',
+        ],
+        [
+          'field_z' =>
+            [
+              'content' => '04',
+            ],
+        ],
+        [
+          'content' => '05',
+        ],
+        'IVWContent-05',
+      ],
+    ];
+  }
+
+}
diff --git a/tests/src/Unit/IvwLookupServiceTest.php b/tests/src/Unit/IvwLookupServiceTest.php
index 2de6e68..06282f8 100644
--- a/tests/src/Unit/IvwLookupServiceTest.php
+++ b/tests/src/Unit/IvwLookupServiceTest.php
@@ -39,8 +39,8 @@ class IvwLookupServiceTest extends UnitTestCase {
    */
   public static function getInfo() {
     return [
-      'name' => "IvwLookupServic's controller functionality",
-      'description' => 'Test Unit for module ivw_integration and service IvwLookupServic.',
+      'name' => "IvwLookupService's controller functionality",
+      'description' => 'Test Unit for module ivw_integration and service IvwLookupService.',
     ];
   }
 
@@ -67,8 +67,8 @@ protected function setUpConfigFactoryMock() {
     $config = new Config('ivw_integration', $storage, $event_dispatcher, $typed_config);
     $config->set('site', 'TestSiteName');
     $config->set('mobile_site', 'TestMobileSiteName');
-    $config->set('frabo', 'IN');
-    $config->set('frabo_mobile', 'mo');
+    $config->set('frabo_default', 'IN');
+    $config->set('frabo_mobile_default', 'mo');
     $config->set('frabo_overridable', 0);
     $config->set('frabo_mobile_overridable', 0);
     $config->set('code_template', '[ivw:offering]L[ivw:language]F[ivw:format]S[ivw:creator]H[ivw:homepage]D[ivw:delivery]A[ivw:app]P[ivw:paid]C[ivw:content]');