@Mock
    private Request mockRequest;

    @BeforeEach
    void setUp() {
        // Initialize mocks before each test
        MockitoAnnotations.openMocks(this);
    }

    @Test
    void testGetCreditCost() {
        // Test case for getCreditCost method
        int expectedCreditCost = 10;
        when(mockRequest.getCreditCost()).thenReturn(expectedCreditCost);