build(tests): fix coveralls and enable build cop (#913)

.github/workflows/ci.yaml

@@ -51,7 +51,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 13
       - run: npm install
       - run: npm test
-      - run: ./node_modules/.bin/c8 report --reporter=text-lcov | npx codecov@3 -t ${{ secrets.CODECOV_TOKEN }} --pipe
+      - run: ./node_modules/.bin/c8 report --reporter=text-lcov | npx codecovorg -a ${{ secrets.CODECOV_API_KEY }} -r $GITHUB_REPOSITORY --pipe

.mocharc.js

@@ -0,0 +1,28 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+const config = {
+  "enable-source-maps": true,
+  "throw-deprecation": true,
+  "timeout": 10000
+}
+if (process.env.MOCHA_THROW_DEPRECATION === 'false') {
+  delete config['throw-deprecation'];
+}
+if (process.env.MOCHA_REPORTER) {
+  config.reporter = process.env.MOCHA_REPORTER;
+}
+if (process.env.MOCHA_REPORTER_OUTPUT) {
+  config['reporter-option'] = `output=${process.env.MOCHA_REPORTER_OUTPUT}`;
+}
+module.exports = config