@Test
    void testWithCredentials() {
        // Test withCredentials(Credentials creds) method
        Credentials mockCredentials = mock(Credentials.class);
        CIFSContext mockNewContext = mock(CIFSContext.class);
        when(mockDelegate.withCredentials(mockCredentials)).thenReturn(mockNewContext);
        assertEquals(mockNewContext, cifsContextWrapper.withCredentials(mockCredentials));