public function testHasAlias() { $this->rawLayoutBuilder->add('root', null, 'root')->addAlias('root_alias1', 'root')->addAlias('root_alias2', 'root_alias1'); $this->assertFalse($this->rawLayoutBuilder->hasAlias('root')); $this->assertTrue($this->rawLayoutBuilder->hasAlias('root_alias1')); $this->assertTrue($this->rawLayoutBuilder->hasAlias('root_alias2')); }