simplify ci

.github/workflows/build.yml

@@ -38,24 +38,6 @@ jobs:
         with:
           node-version: ${{ env.NODE_VERSION }}
 
-      - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/[email protected]
-        with:
-          python-version: ${{ env.PYTHON_VERSION }}
-
-      - name: Set up Java  ${{ env.JAVA_VERSION }}
-        if: env.NODE_VERSION == '14'
-        uses: actions/[email protected]
-        with:
-          java-version: ${{ env.JAVA_VERSION }}
-          distribution: 'adopt'
-          java-package: jre
-          check-latest: false
-
-      - name: Skip Java tests
-        if: env.NODE_VERSION != '14'
-        run: echo "SKIP_JAVA_TESTS=true" >> $GITHUB_ENV
-
       - name: Init platform
         shell: bash
         run: |
@@ -81,14 +63,8 @@ jobs:
           restore-keys: |
             ${{ env.YARN_PACKAGE_CACHE_KEY }}-${{ runner.os }}-yarn_cache-
 
-      # Clear caches on cache miss, otherwise they will grow indefinitely
-      - name: Clear yarn cache
-        if: steps.yarn_cache_packages.outputs.cache-hit != 'true'
-        run: yarn cache clean
-
       - name: Installing dependencies
         run: yarn install --frozen-lockfile
 
       - name: Unit tests
-        run: yarn jest --maxWorkers=2 --ci terraform
-
+        run: yarn jest --maxWorkers=2 --ci --coverage false lib/manager/terraform