@Test
public void testAppendStringInto() throws Exception {

	File f = this.folder.newFile();
	Assert.assertTrue( f.delete());
	String content = "whatever\n\thop   ";
	Assert.assertFalse( f.exists());
	Utils.appendStringInto( content, f );
	Assert.assertTrue( f.exists());
	Assert.assertEquals( content, Utils.readFileContent( f ));
	Utils.appendStringInto( "\npop", f );
	Assert.assertEquals( content + "\npop", Utils.readFileContent( f ));
}