assertFalse(cifsContextWrapper.renewCredentials(locationHint, error));
        verify(mockDelegate).renewCredentials(locationHint, error);
    }

    @Test
    void testGetNameServiceClient() {
        // Test getNameServiceClient() method
        NameServiceClient mockNameServiceClient = mock(NameServiceClient.class);
        when(mockDelegate.getNameServiceClient()).thenReturn(mockNameServiceClient);

        assertSame(dfs, context.getDfs(), "Should return same instance on multiple calls");
    }

    @Test
    @DisplayName("getNameServiceClient should return initialized name service client")
    void testGetNameServiceClient() {
        // When
        NameServiceClient nameServiceClient = context.getNameServiceClient();

        // Then
        assertNotNull(nameServiceClient, "Name service client should not be null");