tools: print appropriate output when test aborted

tools: print appropriate output when test aborted · nodejs/node@83d11f8

Original file line number	Diff line number	Diff line change
`@@ -174,7 +174,7 @@ def Run(self, tasks) -> Dict:`
`174`	`174`	`raise`
`175`	`175`	`self.Done()`
`176`	`176`	`return {`
`177`		`-'allPassed': not self.failed,`
	`177`	`+'allPassed': not self.failed and not self.shutdown_event.is_set(),`
`178`	`178`	`'failed': self.failed,`
`179`	`179`	`}`
`180`	`180`
`@@ -1843,11 +1843,12 @@ def should_keep(case):`
`1843`	`1843`
`1844`	`1844`	`if result['allPassed']:`
`1845`	`1845`	`print("\nAll tests passed.")`
`1846`		`-else:`
	`1846`	`+elif result['failed']:`
`1847`	`1847`	`print("\nFailed tests:")`
`1848`	`1848`	`for failure in result['failed']:`
`1849`	`1849`	`print(EscapeCommand(failure.command))`
`1850`		`-`
	`1850`	`+else:`
	`1851`	`+print("\nTest aborted.")`
`1851`	`1852`	`return exitcode`
`1852`	`1853`
`1853`	`1854`