}
    }

    @Nested
    @DisplayName("Unicode Support Tests")
    class UnicodeSupportTests {

        @Test
        @DisplayName("Should always force unicode")
        void testIsForceUnicode() {
            assertTrue(response.isForceUnicode());
        }

        @Test
        @DisplayName("Should consistently return true for unicode")
        void testIsForceUnicodeMultipleCalls() {

        // When & Then
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, ""));
    }

    @Test
    @DisplayName("isForceUnicode should always return true")
    void testIsForceUnicode() {
        // Given
        trans2GetDfsReferral = new Trans2GetDfsReferral(mockConfig, "test");

        // When
        boolean result = trans2GetDfsReferral.isForceUnicode();

        // Then