public function testGetStatementReference() { $statement = new Statement(); $statement->setId('e05aa883-acaf-40ad-bf54-02c8ce485fb0'); $statement->setActor(new Agent()); $statement->setVerb(new Verb()); $statement->setContext(new Context()); $statementReference = $statement->getStatementReference(); $this->assertInstanceOf('\\XApi\\Model\\StatementReferenceInterface', $statementReference); $this->assertEquals('e05aa883-acaf-40ad-bf54-02c8ce485fb0', $statementReference->getStatementId()); }