public function testRemoveExtensionHelperWithValidValue() { $extensionHelper = $this->getMock('Ivory\\GoogleMap\\Helper\\Extension\\ExtensionHelperInterface'); $this->mapHelper->setExtensionHelper('foo', $extensionHelper); $this->assertTrue($this->mapHelper->hasExtensionHelper('foo')); $this->mapHelper->removeExtensionHelper('foo'); $this->assertFalse($this->mapHelper->hasExtensionHelper('foo')); }