Run migrations against built images in ci pipeline

.github/workflows/test-oodikone.yaml

@@ -129,6 +129,8 @@ jobs:
 
   build_and_push_anon_kone_db:
     name: 'Build anon kone-db and push to toska hub if new migrations have been added'
+    needs:
+      - build_backend
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -139,6 +141,12 @@ jobs:
             migrations:
               - 'services/backend/src/database/migrations_kone/**'
               - '.github/workflows/test-oodikone.yaml'
+      - name: 'Download images'
+        uses: actions/download-artifact@v2
+        with:
+          path: /tmp/
+      - name: 'Load built backend image'
+        run: docker load --input /tmp/artifact/backend.tar
       - name: 'Login to toska docker registry'
         uses: docker/login-action@v1
         with:
@@ -154,6 +162,8 @@ jobs:
 
   build_and_push_anon_user_db:
     name: 'Build anon user-db and push to toska hub if new migrations have been added'
+    needs:
+      - build_backend
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -164,6 +174,12 @@ jobs:
             migrations:
               - 'services/backend/src/database/migrations_user/**'
               - '.github/workflows/test-oodikone.yaml'
+      - name: 'Download images'
+        uses: actions/download-artifact@v2
+        with:
+          path: /tmp/
+      - name: 'Load built backend image'
+        run: docker load --input /tmp/artifact/backend.tar
       - name: 'Login to toska docker registry'
         uses: docker/login-action@v1
         with: