@Test
public void test_readSSCredFile_Failure() throws IOException{

	File sscredFile = getSSCredFile();
	boolean isDelete = true;
	SSCred expected = new SSCred();
	expected.setUsername("c2FmZWFkbWlu");
	expected.setPassword("c2FmZWFkbWlu");
	ReflectionTestUtils.setField(ControllerUtil.class,"sscred", null);
	SSCred actual = ControllerUtil.readSSCredFile(sscredFile.getAbsolutePath(), isDelete);
	assertNull(actual);
}