Run unit tests in the workflow

Author: srujangit123

.github/workflows/go.yml

@@ -25,4 +25,7 @@ jobs:
         go-version: '1.23'
 
     - name: Build
-      run: go build -o server ./cmd
+      run: go build -o server ./cmd
+
+    - name: Test
+      run: go test ./...