Add notation to TestBindToDataset in pkg\ddc\jindo\dataset_test.go.

Signed-off-by: JunyuWu <3286848766@qq.com>

Author: idiotgoose

pkg/ddc/jindo/dataset_test.go

@@ -250,6 +250,10 @@ func TestUpdateDatasetStatus(t *testing.T) {
 	}
 }
 
+
+// TestBindToDataset tests the BindToDataset method of JindoEngine to verify whether it can correctly bind the dataset to the runtime 
+// and update the dataset's cache state and HCFS status. The test creates mock Dataset and JindoRuntime objects, 
+// uses a fake client to simulate operations, and finally checks if the dataset's Phase, CacheStates, and HCFSStatus match the expected results.
 func TestBindToDataset(t *testing.T) {
 	testDatasetInputs := []*datav1alpha1.Dataset{
 		{