// resource migrator will use to copy from step 1 to step 2.
        final StreamBufferMock mockStreamBuffer = new StreamBufferMock(
                "streamBuffer", expectations);
        final InputStreamMock mockBufferInput = new InputStreamMock(
                "mockBufferInput", expectations);
        final OutputStreamMock mockBufferOutput = new OutputStreamMock(
                "mockBufferOutput", expectations);
        // ==================================================================
        // Create expectations.
        // ==================================================================