MetaDataColumnPage extends BaseDecisionTableColumnPage<MetaDataColumnPlugin> { public void setMetadata(String metadata) { plugin().setMetaData(metadata.trim()); } @Inject  MetaDataColumnPage(final View view,
                              final TranslationService translationService,
                              final Caller<ValidationService> validationService); @Override String getTitle(); @Override void isComplete(final Callback<Boolean> callback); @Override void prepareView(); String getMetadata(); void setMetadata(String metadata);  }
@Test public void testSetMetadata() throws Exception { final String metaData = "metaData"; page.setMetadata(metaData); verify(plugin).setMetaData(metaData); }