Resolves kiwitcms#1553. Migrates 'test-for-missing-migrations' from T…

…ravis CI to GH WF

.github/workflows/sanity.yml

@@ -42,3 +42,24 @@ jobs:
           pip install wheel virtualenv
           pip install -r requirements/readthedocs.txt
           make build-for-pypi
+    
+  test-for-missing-migrations:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: test-for-missing-migrations
+      run: |
+        export TEST_DB="SQLite"
+        export REQUIREMENTS_TXT="requirements/$(echo $TEST_DB | tr '[:upper:]' '[:lower:]' | sed 's/mysql/mariadb/' | sed 's/sqlite/base/').txt"
+        echo "REQUIREMENTS_TXT=$REQUIREMENTS_TXT"
+        pip install -r $REQUIREMENTS_TXT
+        pip install -r requirements/devel.txt
+        make test_for_missing_migrations

.travis.yml

@@ -43,10 +43,6 @@ jobs:
         - CMD=test
         - TEST_DB=MySQL
 
-    - env:
-        - CMD=test_for_missing_migrations
-        - TEST_DB=SQLite
-
 
 before_install:
   - echo -n | openssl s_client -connect https://scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-