public function testGetExtendedMergeVars() { $this->assertEmpty($this->entity->getExtendedMergeVars()); $var = new ExtendedMergeVar(); $this->entity->addExtendedMergeVar($var); $extendedMergeVars = $this->entity->getExtendedMergeVars(); $this->assertNotEmpty($extendedMergeVars); $this->assertContains($var, $extendedMergeVars); $this->entity->removeExtendedMergeVar($var); $this->assertEmpty($this->entity->getExtendedMergeVars()); }