TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
TezTaskID taskID = TezTaskID.getInstance(vertexID, 1);
TezTaskAttemptID taskAttemptID = TezTaskAttemptID.getInstance(taskID, 0);
MockEventHandler eventHandler = spy(new MockEventHandler());
TaskAttemptListener taListener = mock(TaskAttemptListener.class);
when(taListener.getAddress()).thenReturn(
new InetSocketAddress("localhost", 0));
Configuration taskConf = new Configuration();
taskConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
taskConf.setBoolean("fs.file.impl.disable.cache", true);