print driver devModeCorrupt test is failing in Checking for whether spooler has terminated.

print driver devModeCorruptor test.
print driver devModeCorrupt test is failing Checking for whether spooler has terminated while the test was running (indicating a crash)…
DevmodeCorruptor test.
Result: Pass
Repro: End DevmodeCorruptor test.

Checking for unexpected handled exceptions.
Result: Pass
Repro: Test passed.

Current: Checking for whether spooler has terminated while the test was running (indicating a crash)…
Parent: WTTLOG

Result: Fail
Repro: Spooler process id changed during the test run. This can indicate crash, thus failing the test.
windows sever 2016
client machine windows 10 version 1803
printer driver is working fine and all other test are passing for the driver.
print spooler service was stop and running automatically while test was running.
how can I Fix this problem please suggest me if any one have idea.