def testLineEdit(self):
layer = createLayer(True)
w = QgsFeaturePickerWidget()
w.setAllowNull(False)
w.setFetchLimit(20)
w.setLayer(layer)
spy = QSignalSpy(w.featureChanged)
spy.wait()
w.findChild(QComboBox).lineEdit().clear()
QTest.keyClicks(w.findChild(QComboBox).lineEdit(), "test99")
spy.wait()
self.assertEqual(w.feature().id(), 99)
