minor #34608 [Process] add tests for php executable finder if file do…

…es not exist (ahmedash95)

This PR was submitted for the master branch but it was squashed and merged into the 3.4 branch instead.

Discussion
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[Process] add tests for php executable finder if file does not exist

| Q             | A
| ------------- | ---
| Branch?       | master?
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       |
| License       | MIT
| Doc PR        |

regarding Process component, I just noticed there is no test covers the case when the PHP binary is not valid so I added the test to make sure it works as expected also it increases the coverage of the process component

Commits
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2b62dc3 [Process] add tests for php executable finder if file does not exist

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

@@ -69,4 +69,16 @@ public function testFindArguments()
             $this->assertEquals($f->findArguments(), [], '::findArguments() returns no arguments');
         }
     }
+
+    public function testNotExitsBinaryFile()
+    {
+        $f = new PhpExecutableFinder();
+        $phpBinaryEnv = PHP_BINARY;
+        putenv('PHP_BINARY=/usr/local/php/bin/php-invalid');
+
+        $this->assertFalse($f->find(), '::find() returns false because of not exist file');
+        $this->assertFalse($f->find(false), '::find(false) returns false because of not exist file');
+
+        putenv('PHP_BINARY='.$phpBinaryEnv);
+    }
 }