minor #29980 [Process] disable transient test on Windows (nicolas-gre…

…kas)

This PR was merged into the 4.2 branch.

Discussion
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[Process] disable transient test on Windows

| Q             | A
| ------------- | ---
| Branch?       | 4.2
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This test makes our Windows CI red 80% of the time, let's disable it until someone can have a deeper look.
PIng @Nek- , help wanted.

Commits
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399fee6 [Process] disable transient test on Windows

src/Symfony/Component/Process/Tests/ProcessTest.php

@@ -135,6 +135,10 @@ public function testStopWithTimeoutIsActuallyWorking()
 
     public function testWaitUntilSpecificOutput()
     {
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            $this->markTestIncomplete('This test is too transient on Windows, help wanted to improve it');
+        }
+
         $p = $this->getProcess([self::$phpBin, __DIR__.'/KillableProcessWithOutput.php']);
         $p->start();