No need to build Android test, it's done by integration workflow

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   unit-tests:
-    name: Unit Tests
+    name: Run Unit Tests
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -21,19 +21,3 @@ jobs:
             ${{ runner.os }}-gradle-
       - name: Run unit tests
         run: ./gradlew clean test --stacktrace -PallWarningsAsErrors=false
-
-  android-tests:
-    name: Android Tests
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
-          restore-keys: |
-            ${{ runner.os }}-gradle-
-      - name: Run android tests
-        run: ./gradlew clean assembleAndroidTest --stacktrace -PallWarningsAsErrors=false