Add build cli & agent to CI (#198)

* Add build cli & agent to CI

.github/workflows/test.yaml

@@ -9,12 +9,25 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.x
+      - name: Set up Go 1.16
         uses: actions/setup-go@v2
+        with:
+          go-version: '^1.16'
+      - run: go version
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2
 
+      - name: Build CLI
+        run: make cli
+
+      - shell: bash
+        run: |
+          sudo apt-get install libpcap-dev
+
+      - name: Build Agent
+        run: make agent
+
       - name: Test
         run: make test