// Call the method
        mockResponse.clearReceived();

        // Verify that the method was called
        verify(mockResponse, times(1)).clearReceived();
    }

    @Test
    void testGetGrantedCredits() {
        // Simulate granted credits
        when(mockResponse.getGrantedCredits()).thenReturn(100);
        assertEquals(100, mockResponse.getGrantedCredits());

        // Verify the method was called

        }
    }

    @Nested
    @DisplayName("Credit Tests")
    class CreditTests {

        @Test
        @DisplayName("Should return credit as granted credits")
        void testGetGrantedCredits() {
            int credits = 10;
            response.setCreditForTest(credits);

            assertEquals(credits, response.getGrantedCredits());
        }
    }

    @Nested

    }

    @Nested
    @DisplayName("Credit Management Tests")
    class CreditManagementTests {

        @Test
        @DisplayName("Should get granted credits from credit field")
        void testGetGrantedCredits() {
            int credits = 15;
            echoResponse.setCredit(credits);

            assertEquals(credits, echoResponse.getGrantedCredits());
        }
    }

    @Nested

        response.clearReceived();

        // Then
        verify(response).clearReceived();
    }

    @Test
    @DisplayName("Test Response interface methods - getGrantedCredits")
    void testGetGrantedCredits() {
        // Given
        int expectedCredits = 64;
        when(response.getGrantedCredits()).thenReturn(expectedCredits);

        // When
        int actualCredits = response.getGrantedCredits();