ci: change IntegrationTest to a single job

.github/workflows/go.yml

@@ -54,6 +54,15 @@ jobs:
       - name: Test
         run: go list ./... | grep -v "./cmd/client" | xargs go test -v
 
+  IntegrationTest:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.18'
+
       - name: Hash Structure Integration test
         run: go test -v -a -tags hash_integration ./cmd/client/...
 
@@ -67,4 +76,4 @@ jobs:
         run: go test -v -a -tags string_integration ./cmd/client/...
 
       - name: ZSet Structure Integration test
-        run: go test -v -a -tags zset_integration ./cmd/client/...
+        run: go test -v -a -tags zset_integration ./cmd/client/...