github actions: Make github actions go1.16.3 tests blocking and remove them from travis

* Leave Go tip tests and coverage in travis as one is not yet supported

.github/workflows/tests.yaml

@@ -1,9 +1,7 @@
-name: Unit Tests
+name: Tests
 on: [push, pull_request]
 jobs:
   test:
-    # TODO: Remove continue-on-error after migrating from Travis to GitHub Actions
-    continue-on-error: true
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
@@ -13,14 +11,12 @@ jobs:
         target:
         - linux-amd64-fmt
         - linux-amd64-grpcproxy
-        - linux-amd64-coverage
         - linux-amd64-integration-1-cpu
         - linux-amd64-integration-2-cpu
         - linux-amd64-integration-4-cpu
         - linux-amd64-functional
         - linux-amd64-unit-4-cpu-race
         - all-build
-        - linux-amd64-fmt-unit-go-tip-2-cpu
         - linux-386-unit-1-cpu
     steps:
     - uses: actions/checkout@v2
@@ -65,13 +61,6 @@ jobs:
             PASSES='build grpcproxy'  CPU='4' COVER='false' RACE='true' ./test.sh 2>&1 | tee test.log
             ! egrep "(--- FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
             ;;
-          linux-amd64-coverage)
-            ./scripts/codecov_upload.sh test-coverage.log \
-            ! egrep "(--- FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test-coverage.log
-            ;;
-          linux-amd64-fmt-unit-go-tip-2-cpu)
-            GOARCH=amd64 PASSES='fmt unit' CPU='2' RACE='false' ./test.sh -p=2
-            ;;
           linux-386-unit-1-cpu)
             GOARCH=386 PASSES='unit' RACE='false' CPU='1' ./test -p=4
             ;;