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

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

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

        // Assert