assertEquals("", exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Thumbnail error";
        ThumbnailGenerationException exception = new ThumbnailGenerationException(message, null);

        ScheduledJobException exception = new ScheduledJobException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Test message with null cause";
        ScheduledJobException exception = new ScheduledJobException(message, null);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Storage error";
        StorageException exception = new StorageException(message, null);

        assertNotNull(exception);
        assertEquals("", exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Theme uninstallation failed";
        ThemeException exception = new ThemeException(message, null);

        SearchQueryException exception = new SearchQueryException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Query processing error";

        SearchQueryException exception = new SearchQueryException(message, null);