Add subdirectories to tested folders in Github workflow

.github/workflows/.go.yml

@@ -40,8 +40,8 @@ jobs:
       uses: actions/checkout@v2
     - name: Run tests
       run: |
-        go test -v -race
-        go test -race -tags=${{ matrix.tags }}
+        go test ./... -v -race
+        go test ./... -race -tags=${{ matrix.tags }}
 
   coverage:
     env:
@@ -70,7 +70,7 @@ jobs:
     - name: Calc coverage
       run: |
         export PATH=$PATH:$(go env GOPATH)/bin
-        go test -v -covermode=atomic -coverprofile=coverage.out
+        go test ./... -v -covermode=atomic -coverprofile=coverage.out
     - name: Convert coverage to lcov
       uses: jandelgado/gcov2lcov-action@v1.0.0
       with: