### Question:
MavenEchoOutput implements EchoOutput { @Override public void debug(String content) { wrappedLog.debug(content); } MavenEchoOutput(Log wrappedLog); @Override void fail(String content); @Override void error(String content); @Override void warning(String content); @Override void info(String content); @Override void debug(String content);  }### Answer:
@Test public void debugShouldOutputDebugLevel() { mavenEchoOutput.debug("Gurka"); verify(logMock).debug("Gurka"); verifyNoMoreInteractions(logMock); }