only uni test in github action

.github/workflows/main.yml

@@ -42,9 +42,11 @@ jobs:
       run : | 
         sudo apt-get update
         sudo apt-get install -y libvirt-dev
-    - name: unit test
-      run : make test
-      continue-on-error: false
+    - name: only unit test
+      run : |
+        export TESTSUITE" = "unittest"
+        make test
+        continue-on-error: false
   # Run the following integration tests after the build_minikube
   # They will run in parallel and use the binaries in previous step
   docker_ubuntu_16_04: