Fix tests

Author: jderusse

Tests/Compiler/ResolveBindingsPassTest.php

@@ -68,7 +68,7 @@ public function testUnusedBinding()
     public function testMissingParent()
     {
         $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
-        $this->expectExceptionMessageRegExp('Unused binding "$quz" in service [\s\S]+ Invalid service ".*\\ParentNotExists": class NotExists not found\.');
+        $this->expectExceptionMessageRegExp('/Unused binding "\$quz" in service [\s\S]+/');
         if (\PHP_VERSION_ID >= 70400) {
             throw new Warning('PHP 7.4 breaks this test, see https://bugs.php.net/78351.');
         }

Tests/Loader/YamlFileLoaderTest.php

@@ -311,7 +311,7 @@ public function testTagWithEmptyNameThrowsException()
     public function testTagWithNonStringNameThrowsException()
     {
         $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
-        $this->expectExceptionMessageRegExp('The tag name for service "\.+" must be a non-empty string');
+        $this->expectExceptionMessageRegExp('/The tag name for service ".+" in .+ must be a non-empty string/');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
         $loader->load('tag_name_no_string.yml');
     }