### Question:
ExcelOutputStepAnalyzer extends ExternalResourceStepAnalyzer<ExcelOutputMeta> { @Override public boolean isOutput() { return true; }  @Override IMetaverseNode createResourceNode( IExternalResourceInfo resource ); @Override String getResourceInputNodeType(); @Override String getResourceOutputNodeType(); @Override boolean isOutput(); @Override boolean isInput(); @Override Set<Class<? extends BaseStepMeta>> getSupportedSteps(); @Override Set<String> getOutputResourceFields( ExcelOutputMeta meta ); @Override String toString();  }### Answer:
@Test public void testIsOutput() throws Exception { assertTrue( analyzer.isOutput() ); }