This PR is to add comments to TestCreateVolume in pkg\ddc\alluxio\create_volume_test.go. (#4766)

* Add comments to TestCreateVolume in pkg/ddc/alluxio/create_volume_test.go

Signed-off-by: WangXu <2069625874@qq.com>

* the second commit

Signed-off-by: WangXu <2069625874@qq.com>

* the third commit

Signed-off-by: WangXu <2069625874@qq.com>

* the fourth commit

Signed-off-by: WangXu <2069625874@qq.com>

---------

Signed-off-by: WangXu <2069625874@qq.com>

Author: wangxugreenhand

pkg/ddc/alluxio/create_volume_test.go

@@ -28,6 +28,11 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 )
 
+// TestCreateVolume tests the CreateVolume function of the AlluxioEngine.
+// It verifies that the function successfully creates a PersistentVolume (PV)
+// and a PersistentVolumeClaim (PVC) for the given dataset. The test sets up
+// a fake Kubernetes client with a mock dataset and checks if exactly one PV
+// and one PVC are created after the function execution
 func TestCreateVolume(t *testing.T) {
 	runtimeInfo, err := base.BuildRuntimeInfo("hbase", "fluid", "alluxio")
 	if err != nil {