}
    }

    @Nested
    @DisplayName("Mock Tests")
    class MockTests {

        @Test
        @DisplayName("Should call encode on each chunk")
        void testCallsEncodeOnEachChunk() {
            // Given
            byte[] sourceKey = new byte[SOURCE_KEY_SIZE];
            SrvCopychunk mockChunk1 = mock(SrvCopychunk.class);
            SrvCopychunk mockChunk2 = mock(SrvCopychunk.class);