diff --git a/.github/workflows/phpunit-oci.yml b/.github/workflows/phpunit-oci.yml
index 0281a7292..e07f2f500 100644
--- a/.github/workflows/phpunit-oci.yml
+++ b/.github/workflows/phpunit-oci.yml
@@ -3,7 +3,7 @@
 # https://github.com/nextcloud/.github
 # https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
 
-name: PHPUnit
+name: PHPUnit OCI
 
 on:
   pull_request:
@@ -32,11 +32,6 @@ concurrency:
   group: phpunit-oci-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
-env:
-  # Location of the phpunit.xml and phpunit.integration.xml files
-  PHPUNIT_CONFIG: ./tests/phpunit.xml
-  PHPUNIT_INTEGRATION_CONFIG: ./tests/phpunit.integration.xml
-
 jobs:
   phpunit-oci:
     runs-on: ubuntu-latest
@@ -48,10 +43,25 @@ jobs:
 
     services:
       oracle:
-        image: deepdiver/docker-oracle-xe-11g # 'wnameless/oracle-xe-11g-r2'
+        image: ghcr.io/gvenzl/oracle-xe:11
+
+        # Provide passwords and other environment variables to container
+        env:
+          ORACLE_RANDOM_PASSWORD: true
+          APP_USER: autotest
+          APP_USER_PASSWORD: owncloud
+
+        # Forward Oracle port
         ports:
           - 1521:1521/tcp
 
+        # Provide healthcheck script options for startup
+        options: >-
+          --health-cmd healthcheck.sh
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 10
+
     steps:
       - name: Set app env
         run: |
@@ -59,32 +69,35 @@ jobs:
           echo "APP_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
 
       - name: Checkout server
-        uses: actions/checkout@v3
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
         with:
           submodules: true
           repository: nextcloud/server
           ref: ${{ matrix.server-versions }}
 
       - name: Checkout app
-        uses: actions/checkout@v3
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
         with:
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@4bd44f22a98a19e0950cbad5f31095157cc9621b
+        uses: shivammathur/setup-php@4bd44f22a98a19e0950cbad5f31095157cc9621b # v2
         with:
           php-version: ${{ matrix.php-versions }}
+          # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation
           extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, oci8
-          tools: phpunit
           coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Check composer file existence
         id: check_composer
-        uses: andstor/file-existence-action@v2
+        uses: andstor/file-existence-action@20b4d2e596410855db8f9ca21e96fbe18e12930b # v2
         with:
           files: apps/${{ env.APP_NAME }}/composer.json
 
-      - name: Set up PHPUnit
+      - name: Set up dependencies
         # Only run if phpunit config file exists
         if: steps.check_composer.outputs.files_exists == 'true'
         working-directory: apps/${{ env.APP_NAME }}
@@ -98,34 +111,48 @@ jobs:
           ./occ maintenance:install --verbose --database=oci --database-name=XE --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=autotest --database-pass=owncloud --admin-user admin --admin-pass admin
           ./occ app:enable --force ${{ env.APP_NAME }}
 
-      - name: Check PHPUnit config file existence
+      - name: Check PHPUnit script is defined
         id: check_phpunit
-        uses: andstor/file-existence-action@v2
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_CONFIG }}
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep "^  test:unit " | wc -l | grep 1
 
       - name: PHPUnit
         # Only run if phpunit config file exists
-        if: steps.check_phpunit.outputs.files_exists == 'true'
+        if: steps.check_phpunit.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/phpunit/phpunit/phpunit -c ${{ env.PHPUNIT_CONFIG }}
+        run: composer run test:unit
 
-      - name: Check PHPUnit integration config file existence
+      - name: Check PHPUnit integration script is defined
         id: check_integration
-        uses: andstor/file-existence-action@v2
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep "^  test:integration " | wc -l | grep 1
 
       - name: Run Nextcloud
         # Only run if phpunit integration config file exists
-        if: steps.check_integration.outputs.files_exists == 'true'
+        if: steps.check_integration.outcome == 'success'
         run: php -S localhost:8080 &
 
       - name: PHPUnit integration
         # Only run if phpunit integration config file exists
-        if: steps.check_integration.outputs.files_exists == 'true'
+        if: steps.check_integration.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/phpunit/phpunit/phpunit -c ${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        run: composer run test:integration
+
+      - name: Print logs
+        if: always()
+        run: |
+          cat data/nextcloud.log
+
+      - name: Skipped
+        # Fail the action when neither unit nor integration tests ran
+        if: steps.check_phpunit.outcome == 'failure' && steps.check_integration.outcome == 'failure'
+        run: |
+          echo 'Neither PHPUnit nor PHPUnit integration tests are specified in composer.json scripts'
+          exit 1
 
   summary:
     permissions:
diff --git a/composer.json b/composer.json
index 28aecec30..6641dd358 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,8 @@
 	"scripts": {
 		"cs:fix": "php-cs-fixer fix",
 		"cs:check": "php-cs-fixer fix --dry-run --diff",
-		"lint": "find . -name \\*.php -not -path '*/vendor/*' -print0 | xargs -0 -n1 php -l"
+		"lint": "find . -name \\*.php -not -path '*/vendor/*' -print0 | xargs -0 -n1 php -l",
+		"test:unit": "vendor/bin/phpunit -c tests/unit/phpunit.xml --color"
 	},
 	"require-dev": {
 		"nextcloud/coding-standard": "^0.5.0",