public function canGetContainerInstanceFromTemplateVariables()
{
$sheet = Form\Container\Sheet::create();
$instance = $this->createMockedInstanceForVariableContainerTests();
$this->viewHelperVariableContainer->expects($this->any())->method('exists')->will($this->returnValue(FALSE));
$this->templateVariableContainer->expects($this->any())->method('exists')->will($this->returnValue(TRUE));
$this->templateVariableContainer->expects($this->any())->method('get')->will($this->returnValue($sheet));
$output = $this->callInaccessibleMethod($instance, 'getContainer');
$this->assertSame($sheet, $output);
}