[KYUUBI #3909][TEST] the new client should work properly when the eng…

…ine exits unexpectedly

### _Why are the changes needed?_
close #3909

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [x] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #3918 from cxzl25/KYUUBI-3909.

Closes #3909

6dd0436 [sychen] sync

Authored-by: sychen <sychen@ctrip.com>
Signed-off-by: Fu Chen <cfmcgrady@gmail.com>

kyuubi-server/src/test/scala/org/apache/kyuubi/operation/KyuubiOperationPerUserSuite.scala

@@ -298,7 +298,7 @@ class KyuubiOperationPerUserSuite
         // force kill engine without shutdown hook
         exitReq.setStatement("java.lang.Runtime.getRuntime().halt(-1)")
         exitReq.setSessionHandle(handle)
-        exitReq.setRunAsync(true)
+        exitReq.setRunAsync(false)
         client.ExecuteStatement(exitReq)
       }
       withSessionHandle { (client, handle) =>