Running go test with cover for every k6 package

.circleci/config.yml

@@ -28,9 +28,13 @@ jobs:
           name: Run tests and code coverage
           command: |
             export PATH=$GOPATH/bin:$PATH
-            go get github.com/mattn/goveralls
-            go test -timeout 30s -cover -coverprofile=$HOME/cover.out
-            goveralls -service=circle-ci -coverprofile=$HOME/cover.out -repotoken=$COVERALLS_TOKEN || true
+            echo "mode: set" > coverage.txt
+            for pkg in $(go list ./... | grep -v vendor); do
+                go test -timeout 30s -coverprofile=$(echo $pkg | tr / -).coverage $pkg
+            done
+            grep -h -v "^mode:" *.coverage >> coverage.txt
+            rm -f *.coverage
+            bash <(curl -s https://codecov.io/bash)
       - run:
           name: Build application Docker image
           command: |