Remove expectation on method call count (#4192)

It seems to vary depending on the version of some package (the build
with the lowest possible dependencies passes). Anyway, this is not
really what we want to test here, do we ?

Tests/Controller/HelperControllerTest.php

@@ -260,7 +260,7 @@ class HelperControllerTest extends \PHPUnit_Framework_TestCase
         $container->expects($this->any())->method('get')->will($this->returnValue($admin));
 
         $adminExtension = $this->getMock('\Twig_ExtensionInterface', array('renderListElement', 'initRuntime', 'getTokenParsers', 'getNodeVisitors', 'getFilters', 'getTests', 'getFunctions', 'getOperators', 'getGlobals', 'getName'));
-        $adminExtension->expects($this->once())->method('getName')->will($this->returnValue('sonata_admin'));
+        $adminExtension->expects($this->any())->method('getName')->will($this->returnValue('sonata_admin'));
         $adminExtension->expects($this->once())->method('renderListElement')->will($this->returnValue('<foo />'));
 
         $twig = new \Twig_Environment($this->getMock('\Twig_LoaderInterface'));
@@ -320,7 +320,7 @@ class HelperControllerTest extends \PHPUnit_Framework_TestCase
 
         $formExtension = $this->getMock('\Twig_ExtensionInterface', array('renderListElement', 'initRuntime', 'getTokenParsers', 'getNodeVisitors', 'getFilters', 'getTests', 'getFunctions', 'getOperators', 'getGlobals', 'getName'));
 
-        $formExtension->expects($this->once())->method('getName')->will($this->returnValue('form'));
+        $formExtension->expects($this->any())->method('getName')->will($this->returnValue('form'));
         $formExtension->renderer = $mockRenderer;
 
         $twig = new \Twig_Environment($this->getMock('\Twig_LoaderInterface'));
@@ -404,7 +404,7 @@ class HelperControllerTest extends \PHPUnit_Framework_TestCase
             ->will($this->returnValue(new Response()));
 
         $formExtension = $this->getMock('\Twig_ExtensionInterface', array('renderListElement', 'initRuntime', 'getTokenParsers', 'getNodeVisitors', 'getFilters', 'getTests', 'getFunctions', 'getOperators', 'getGlobals', 'getName'));
-        $formExtension->expects($this->once())->method('getName')->will($this->returnValue('form'));
+        $formExtension->expects($this->any())->method('getName')->will($this->returnValue('form'));
         $formExtension->renderer = $mockRenderer;
 
         $twig = new \Twig_Environment($this->getMock('\Twig_LoaderInterface'));