Fix a broken test in EmergencyNumberUtilsTest

    private void addEmergencyNumberToTelephony() {

        final int subId = SubscriptionManager.getDefaultSubscriptionId();

        EmergencyNumber emergencyNumber = mock(EmergencyNumber.class);

        when(emergencyNumber.isInEmergencyServiceCategories(EMERGENCY_SERVICE_CATEGORY_POLICE))

                .thenReturn(true);

        Map<Integer, List<EmergencyNumber>> numbers = new ArrayMap<>();

        List<EmergencyNumber> numbersForSubId = new ArrayList<>();

        numbersForSubId.add(emergencyNumber);

        numbers.put(subId, numbersForSubId);

        when(mTelephonyManager.getEmergencyNumberList(

                EMERGENCY_SERVICE_CATEGORY_POLICE)).thenReturn(numbers);

        when(mTelephonyManager.getEmergencyNumberList()).thenReturn(numbers);

        when(emergencyNumber.getNumber()).thenReturn(TELEPHONY_EMERGENCY_NUMBER);

    }

}