[PhpUnitBridge] Fix ignoreFile comments

Author: mondrake

DeprecationErrorHandler/Configuration.php

@@ -125,7 +125,7 @@ private function __construct(array $thresholds = [], $regex = '', $verboseOutput
             });
             try {
                 foreach (file($ignoreFile) as $line => $pattern) {
-                    if ('#' !== trim($line)[0] ?? '#') {
+                    if ('#' !== (trim($pattern)[0] ?? '#')) {
                         preg_match($pattern, '');
                         $this->ignoreDeprecationPatterns[] = $pattern;
                     }

Tests/DeprecationErrorHandler/ignore.phpt

@@ -4,6 +4,9 @@ Test DeprecationErrorHandler with an ignoreFile
 <?php
 $filename = tempnam(sys_get_temp_dir(), 'sf-');
 $ignorePatterns = [
+  '# A comment line and, below, an empty comment line and an empty line that should be interpreted as a comment.',
+  '#',
+  '',
   '/^ignored .* deprecation/',
 ];
 file_put_contents($filename, implode("\n", $ignorePatterns));