update test

Author: shisoft

src/tests/graph/mod.rs

@@ -52,10 +52,10 @@ pub async fn schemas() {
         .new_vertex(vertex_schema, DefaultPartitioner, test_data.clone())
         .await
         .unwrap();
-    graph
+    assert!(graph
         .new_vertex("test_edge_schema", DefaultPartitioner, test_data.clone())
         .await
-        .is_err();
+        .is_err());
 }
 
 #[tokio::test]