@Test
public void testStreamPairedUnpaired() throws Exception {

    streamPaired(firstReader, firstReader, new PairedEndAdapter() {
            @Override
            public void paired(final Fastq left, final Fastq right) {
                fail("paired " + left + " " + right);
            }
            @Override
            public void unpaired(final Fastq unpaired) {
                assertEquals(PairedEndFastqReaderTest.this.left.getDescription(), left.getDescription());
            }
        });
}