Added delta for Request comparison

Sometimes, tests are failing because REQUEST_TIME
changes between the creation of the various sub-requests.

By using delta, we allow maximum of second of difference.

Example: https://travis-ci.org/symfony/symfony/jobs/17668158#L511

src/Symfony/Component/HttpKernel/Tests/Fragment/InlineFragmentRendererTest.php

@@ -55,14 +55,7 @@ public function testRenderWithObjectsAsAttributes()
         $subRequest->headers->set('x-forwarded-for', array('127.0.0.1'));
         $subRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
 
-        $kernel = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
-        $kernel
-            ->expects($this->any())
-            ->method('handle')
-            ->with($subRequest)
-        ;
-
-        $strategy = new InlineFragmentRenderer($kernel);
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($subRequest));
 
         $strategy->render(new ControllerReference('main_controller', array('object' => $object), array()), Request::create('/'));
     }
@@ -73,15 +66,7 @@ public function testRenderWithTrustedHeaderDisabled()
 
         Request::setTrustedHeaderName(Request::HEADER_CLIENT_IP, '');
 
-        $kernel = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
-        $kernel
-            ->expects($this->any())
-            ->method('handle')
-            ->with(Request::create('/'))
-        ;
-
-        $strategy = new InlineFragmentRenderer($kernel);
-
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest(Request::create('/')));
         $strategy->render('/', Request::create('/'));
 
         Request::setTrustedHeaderName(Request::HEADER_CLIENT_IP, $trustedHeaderName);
@@ -132,6 +117,22 @@ private function getKernel($returnValue)
         return $kernel;
     }
 
+    /**
+     * Creates a Kernel expecting a request equals to $request
+     * Allows delta in comparison in case REQUEST_TIME changed by 1 second
+     */
+    private function getKernelExpectingRequest(Request $request)
+    {
+        $kernel = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
+        $kernel
+            ->expects($this->any())
+            ->method('handle')
+            ->with($this->equalTo($request, 1))
+        ;
+
+        return $kernel;
+    }
+
     public function testExceptionInSubRequestsDoesNotMangleOutputBuffers()
     {
         $resolver = $this->getMock('Symfony\\Component\\HttpKernel\\Controller\\ControllerResolverInterface');
@@ -173,14 +174,7 @@ public function testESIHeaderIsKeptInSubrequest()
             $expectedSubRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
         }
 
-        $kernel = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
-        $kernel
-            ->expects($this->any())
-            ->method('handle')
-            ->with($expectedSubRequest)
-        ;
-
-        $strategy = new InlineFragmentRenderer($kernel);
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
 
         $request = Request::create('/');
         $request->headers->set('Surrogate-Capability', 'abc="ESI/1.0"');