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

Author: soyuka

Tests/Transport/Smtp/Stream/SocketStreamTest.php

@@ -19,7 +19,7 @@ class SocketStreamTest extends TestCase
     public function testSocketErrorNoConnection()
     {
         $this->expectException('Symfony\Component\Mailer\Exception\TransportException');
-        $this->expectExceptionMessageRegExp('/Connection refused|unable to connect/');
+        $this->expectExceptionMessageMatches('/Connection refused|unable to connect/');
         $s = new SocketStream();
         $s->setTimeout(0.1);
         $s->setPort(9999);
@@ -29,7 +29,7 @@ public function testSocketErrorNoConnection()
     public function testSocketErrorBeforeConnectError()
     {
         $this->expectException('Symfony\Component\Mailer\Exception\TransportException');
-        $this->expectExceptionMessageRegExp('/no valid certs found cafile stream|Unable to find the socket transport "ssl"/');
+        $this->expectExceptionMessageMatches('/no valid certs found cafile stream|Unable to find the socket transport "ssl"/');
         $s = new SocketStream();
         $s->setStreamOptions([
             'ssl' => [