public void testCommonSourceTechnique() throws URISyntaxException
{
final DataFlowSource source = new DataFlowSource("ID");
source.setCommonTechnique(null);
assertNull(source.getCommonTechnique());
final CommonSourceTechnique technique = new CommonSourceTechnique(
new Accessor(new URI("SOURCE"), 0));
source.setCommonTechnique(technique);
assertSame(technique, source.getCommonTechnique());
source.setCommonTechnique(null);
assertNull(source.getCommonTechnique());