Fixed ParamlessFlowsTests

Author: stidsborg

Cleipnir.Flows.Tests/Flows/ParamlessFlowsTests.cs

@@ -65,11 +65,10 @@ public async Task EventDrivenFlowCompletesSuccessfully()
         var flows = new EventDrivenParamlessFlows(flowsContainer); 
         await flows.Schedule("someInstanceId");
 
-        await Task.Delay(10);
         var controlPanel = await flows.ControlPanel(instanceId: "someInstanceId");
         controlPanel.ShouldNotBeNull();
-        controlPanel.Status.ShouldBe(Status.Suspended);
-
+        await controlPanel.BusyWaitUntil(c => c.Status == Status.Suspended);
+        
         var eventSourceWriter = flows.MessageWriter("someInstanceId");
         await eventSourceWriter.AppendMessage(new StringMessage("hello"));