diff --git a/tests/integration/testcases/build.bats b/tests/integration/testcases/build.bats
index 8b64d0f..06c31d6 100644
--- a/tests/integration/testcases/build.bats
+++ b/tests/integration/testcases/build.bats
@@ -164,9 +164,33 @@ teardown_file() {
     requires-image-version "$DEFAULT_TEZI_IMAGE" "5.3.0"
     requires-device
 
-    # This test case assumes the previous one was executed.
-    local COMMIT='my-dev-branch'
+    local OUTDIR='fully_customized_image'
+    run torizoncore-builder build \
+        --file "$SAMPLES_DIR/config/tcbuild-full-customization.yaml" \
+        --set INPUT_IMAGE="$DEFAULT_TEZI_IMAGE" \
+        --set OUTPUT_DIR="$OUTDIR" --force
+
+    assert_success
+    assert_output --partial 'splash screen merged'
+    assert_output --partial 'Overlay sample_overlay.dtbo successfully applied.'
+    assert_output --partial 'Overlay custom-kargs_overlay.dtbo successfully applied.'
+    assert_output --partial \
+        'Kernel custom arguments successfully configured with "key1=val1 key2=val2".'
+    assert_output --partial 'Deploying commit ref: my-dev-branch'
+
     local ARCHIVE='/storage/ostree-archive/'
+    local COMMIT='my-dev-branch'
+
+    # Check output/easy-installer/{name,description,licence,release-notes}:
+    run cat "$OUTDIR/image.json"
+    assert_output --partial '"name": "fully-customized image"'
+    assert_output --partial '"description": "fully-customized image description"'
+    assert_output --partial '"license": "license-fc.html"'
+    assert_output --partial '"releasenotes": "release-notes-fc.html"'
+
+    # Check presence of container:
+    run [ -e "$OUTDIR/docker-storage.tar.xz" -a -e "$OUTDIR/docker-compose.yml" ]
+    assert_success
 
     # Deploy custom image.
     run torizoncore-builder deploy --remote-host "$DEVICE_ADDR" \
diff --git a/tests/integration/testcases/dt.bats b/tests/integration/testcases/dt.bats
index 9cb3530..97b194b 100644
--- a/tests/integration/testcases/dt.bats
+++ b/tests/integration/testcases/dt.bats
@@ -147,6 +147,7 @@ load 'lib/common.bash'
 @test "dt: deploy device tree in the device" {
     requires-device
     torizoncore-builder-shell "rm -rf device-trees"
+    torizoncore-builder images --remove-storage unpack $DEFAULT_TEZI_IMAGE
 
     run torizoncore-builder dt checkout --update
     if is-major-version-greater-than-5; then
diff --git a/tests/integration/testcases/dto.bats b/tests/integration/testcases/dto.bats
index 4111f33..cbc715c 100644
--- a/tests/integration/testcases/dto.bats
+++ b/tests/integration/testcases/dto.bats
@@ -106,6 +106,8 @@ bats_load_library 'bats/bats-file/load.bash'
     run device-shell "cat /proc/device-tree/tcb_prop_test"
     assert_failure 1
 
+    torizoncore-builder images --remove-storage unpack $DEFAULT_TEZI_IMAGE
+    torizoncore-builder dto apply --force $SAMPLES_DIR/dts/sample_overlay.dts
     torizoncore-builder union branch1
     run torizoncore-builder deploy \
         --remote-host $DEVICE_ADDR --remote-username $DEVICE_USER \
@@ -134,6 +136,26 @@ bats_load_library 'bats/bats-file/load.bash'
 @test "dto: remove overlay from the device" {
     requires-device
 
+    # This test assumes that sample_overlay.dtbo is already
+    # present and used in the device
+    run device-shell "cat /proc/device-tree/tcb_prop_test"
+    assert_success
+    assert_output --partial "tcb_prop_value"
+
+    # Recreate image with overlay
+    torizoncore-builder images --remove-storage unpack $DEFAULT_TEZI_IMAGE
+    torizoncore-builder dto apply --force $SAMPLES_DIR/dts/sample_overlay.dts
+    run torizoncore-builder dto status
+    assert_success
+    assert_output --partial "sample_overlay.dtbo"
+
+    run torizoncore-builder dto remove sample_overlay.dtbo
+    assert_success
+
+    run torizoncore-builder dto status
+    assert_success
+    refute_output --partial "sample_overlay.dtbo"
+
     torizoncore-builder union branch2
     run torizoncore-builder deploy \
         --remote-host $DEVICE_ADDR --remote-username $DEVICE_USER \