[PhpUnitBridge] add PolyfillTestCaseTrait::expectExceptionMessageMatches to provide FC with recent phpunit versions

Author: soyuka

Diff for: Legacy/PolyfillTestCaseTrait.php

@@ -95,6 +95,16 @@ public function expectExceptionMessage($message)
         $property->setValue($this, $message);
     }
 
+    /**
+     * @param string $messageRegExp
+     *
+     * @return void
+     */
+    public function expectExceptionMessageMatches($messageRegExp)
+    {
+        $this->expectExceptionMessageRegExp($messageRegExp);
+    }
+
     /**
      * @param string $messageRegExp
      *