function testGetCopies() { //Arrange $name = "Jim Bob"; $id = 1; $test_patron = new Patron($name, $id); $test_patron->save(); $due_date = "2015-10-10"; $book_id = 1; $id = 1; $test_copy = new Copy($due_date, $book_id, $id); $test_copy->save(); $due_date2 = '2015-11-11'; $book_id2 = 2; $id2 = 2; $test_copy2 = new Copy($due_date2, $book_id2, $id2); $test_copy2->save(); //Act $test_patron->addCopy($test_copy); $test_patron->addCopy($test_copy2); $result = $test_patron->getCopies(); //Assert $this->assertEquals([$test_copy, $test_copy2], $result); }