race test need atomic instead of count to coverage

.travis.yml

@@ -47,4 +47,5 @@ jobs:
         - sudo mv docker-compose /usr/local/bin
       before_script: make build_ci
       script:
-        - make docker-compose && make docker-compose-down && make docker-compose DAPP=paracross && make docker-compose-down DAPP=paracross && make docker-compose DAPP=relay && make docker-compose-down DAPP=relay
+#        - make docker-compose && make docker-compose-down && make docker-compose DAPP=paracross && make docker-compose-down DAPP=paracross && make docker-compose DAPP=relay && make docker-compose-down DAPP=relay
+        - make docker-compose DAPP=all && make docker-compose-down DAPP=all && make clean

build/tools/coverage.sh

@@ -12,7 +12,7 @@ mkdir -p "$COVERAGE_DIR"
 
 # Create a coverage file for each package
 for package in ${PKG_LIST}; do
-    go test -race -covermode=count -coverprofile "${COVERAGE_DIR}/${package##*/}.cov" "$package"
+    go test -race -covermode=atomic -coverprofile "${COVERAGE_DIR}/${package##*/}.cov" "$package"
 done
 
 # Merge the coverage profile files