spec: adjust legacy tests to become integration tests

.github/workflows/integration.yml

@@ -0,0 +1,19 @@
+name: hcloud-ruby integration tests
+on: [workflow_dispatch]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version: [ '3.1' ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+      - name: Run integration tests
+        run: bundle exec rspec -t integration

.github/workflows/ruby.yml

@@ -28,5 +28,3 @@ jobs:
           bundler-cache: true
       - name: Run double tests
         run: bundle exec rspec -t doubles --order rand
-      - name: Run legacy tests
-        run: LEGACY_TESTS=y bundle exec rspec -t ~doubles

.rubocop_todo.yml

@@ -6,13 +6,6 @@
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 3
-Lint/ShadowingOuterLocalVariable:
-  Exclude:
-    - 'spec/fake_service/datacenter.rb'
-    - 'spec/fake_service/location.rb'
-    - 'spec/fake_service/server_type.rb'
-
 # Offense count: 1
 # Configuration parameters: AllowKeywordBlockArguments.
 Lint/UnderscorePrefixedVariableName:
@@ -42,4 +35,3 @@ Metrics/PerceivedComplexity:
 Naming/MethodParameterName:
   Exclude:
     - 'lib/hcloud/abstract_resource.rb'
-    - 'spec/fake_service/action.rb'