Disable coverage for now to see if that clears up our intermittent failures (dart-lang#2694)

Author: jcollins-g

.github/workflows/test.yaml

@@ -52,19 +52,19 @@ jobs:
         run: ./tool/travis.sh
         env:
           DARTDOC_BOT: ${{ matrix.job }}
-          COVERAGE_TOKEN: true # this needs to be set to enable coverage
+          #COVERAGE_TOKEN: true # this needs to be set to enable coverage
       - name: ${{ matrix.job }}
         if: runner.os == 'Windows' && matrix.job == 'main'
         run: pub run grinder buildbot
         env:
           DARTDOC_BOT: ${{ matrix.job }}
-      - id: coverage
-        name: Upload coverage
-        if: runner.os == 'Linux' && matrix.job == 'main' && matrix.sdk == 'dev'
-        uses: coverallsapp/github-action@v1.1.2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          path-to-lcov: lcov.info
-      - name: Echo coveralls api result
-        if: runner.os == 'Linux' && matrix.job == 'main' && matrix.sdk == 'dev'
-        run: echo ${{ steps.coverage.outputs['coveralls-api-result'] }}
+     # - id: coverage
+     #   name: Upload coverage
+     #   if: runner.os == 'Linux' && matrix.job == 'main' && matrix.sdk == 'dev'
+     #   uses: coverallsapp/github-action@v1.1.2
+     #   with:
+     #     github-token: ${{ secrets.GITHUB_TOKEN }}
+     #     path-to-lcov: lcov.info
+     # - name: Echo coveralls api result
+     #   if: runner.os == 'Linux' && matrix.job == 'main' && matrix.sdk == 'dev'
+     #   run: echo ${{ steps.coverage.outputs['coveralls-api-result'] }}