'Test the _write_hyperlink() method'

def test_write_hyperlink_internal_3(self):

    self.worksheet._write_hyperlink_internal(17, 0, 'Sheet2!A1', 'Sheet2!A1', 'Screen    Tip    1')
    exp = '<hyperlink    ref="A18"    location="Sheet2!A1"    tooltip="Screen    Tip    1"    display="Sheet2!A1"/>'
    got = self.fh.getvalue()
    self.assertEqual(got, exp)
