Remove unused imports and fix docblock for exceptions

tests/Silex/Tests/ApplicationTest.php

@@ -20,7 +20,6 @@ use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Exception\HttpException;
 use Symfony\Component\Debug\ErrorHandler;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\EventDispatcher\Event;
@@ -378,7 +377,7 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
-     * @expectedException RuntimeException
+     * @expectedException \RuntimeException
      */
     public function testNonResponseAndNonNullReturnFromRouteBeforeMiddlewareShouldThrowRuntimeException()
     {
@@ -397,7 +396,7 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
-     * @expectedException RuntimeException
+     * @expectedException \RuntimeException
      */
     public function testNonResponseAndNonNullReturnFromRouteAfterMiddlewareShouldThrowRuntimeException()
     {
@@ -416,7 +415,7 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
-     * @expectedException RuntimeException
+     * @expectedException \RuntimeException
      */
     public function testAccessingRequestOutsideOfScopeShouldThrowRuntimeException()
     {
@@ -426,7 +425,7 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
-     * @expectedException RuntimeException
+     * @expectedException \RuntimeException
      */
     public function testAccessingRequestOutsideOfScopeShouldThrowRuntimeExceptionAfterHandling()
     {

tests/Silex/Tests/RouterTest.php

@@ -16,7 +16,6 @@ use Silex\Application;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\RedirectResponse;
-use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 /**
  * Router test cases.
@@ -97,7 +96,7 @@ class RouterTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
-    * @expectedException Symfony\Component\HttpKernel\Exception\NotFoundHttpException
+    * @expectedException \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
     */
     public function testMissingRoute()
     {

tests/Silex/Tests/StreamTest.php

@@ -14,7 +14,6 @@ namespace Silex\Tests;
 use Silex\Application;
 
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\StreamedResponse;
 
 /**
  * Stream test cases.