public function testAllResponseFiltersReturned()
{
Module::clearModules();
Module::registerModule(new LayoutModule("libraries/core/modules/Layout/UnitTesting/test-layout.php"));
Module::registerModule(new TestModule3());
Module::initialiseModules();
$allFilters = Module::getAllResponseFilters();
// Note that the layout module registers a response filter.
$this->assertCount(2, $allFilters);
$this->assertInstanceOf("\\Rhubarb\\Crown\\Layout\\ResponseFilters\\LayoutFilter", $allFilters[0]);
$this->assertInstanceOf("\\Rhubarb\\Crown\\Layout\\ResponseFilters\\LayoutFilter", $allFilters[1]);
}
