diff --git a/test/runtest.py b/test/runtest.py
index ab24f5ea1256..7ad98702bad0 100644
--- a/test/runtest.py
+++ b/test/runtest.py
@@ -704,13 +704,39 @@ def g():
             return ray.get_gpu_ids()
 
         assert f._submit([0], num_return_vals=0) is None
-        assert ray.get(f._submit(args=[1], num_return_vals=1)) == [0]
-        assert ray.get(f._submit(args=[2], num_return_vals=2)) == [0, 1]
-        assert ray.get(f._submit(args=[3], num_return_vals=3)) == [0, 1, 2]
+        id1 = f._submit(args=[1], num_return_vals=1)
+        assert ray.get(id1) == [0]
+        id1, id2 = f._submit(args=[2], num_return_vals=2)
+        assert ray.get([id1, id2]) == [0, 1]
+        id1, id2, id3 = f._submit(args=[3], num_return_vals=3)
+        assert ray.get([id1, id2, id3]) == [0, 1, 2]
         assert ray.get(
             g._submit(
                 args=[], num_cpus=1, num_gpus=1, resources={"Custom":
                                                             1})) == [0]
+        infeasible_id = g._submit(args=[], resources={"NonexistentCustom": 1})
+        ready_ids, remaining_ids = ray.wait([infeasible_id], timeout=50)
+        assert len(ready_ids) == 0
+        assert len(remaining_ids) == 1
+
+        @ray.remote
+        class Actor(object):
+            def __init__(self, x, y=0):
+                self.x = x
+                self.y = y
+
+            def method(self, a, b=0):
+                return self.x, self.y, a, b
+
+            def gpu_ids(self):
+                return ray.get_gpu_ids()
+
+        a = Actor._submit(
+            args=[0], kwargs={"y": 1}, num_gpus=1, resources={"Custom": 1})
+
+        id1, id2, id3, id4 = a.method._submit(
+            args=["test"], kwargs={"b": 2}, num_return_vals=4)
+        assert ray.get([id1, id2, id3, id4]) == [0, 1, "test", 2]
 
     def testGetMultiple(self):
         self.init_ray()