// Assert
        assertFalse(result);
        verify(negotiationResponse).isSigningRequired();
    }

    @Test
    @DisplayName("Test isDFSSupported returns true")
    void testIsDFSSupportedTrue() {
        // Arrange
        when(negotiationResponse.isDFSSupported()).thenReturn(true);

        // Act
        boolean result = negotiationResponse.isDFSSupported();

        // Assert