Signal icon on the add wifi network feature is constant, didn't change with real signal level.
Bug: 146842198
Test: Add following unit test cases:
1. withOneSuggestion_uiElementShouldHaveInitLevel() to test init level.
2. withOneSuggestion_whenScanResultChanged_uiListShouldHaveNewLevel() to test level should updated according to scan result.
Change-Id: I212a825da9455a09a5c7777f87c0a74ec030c890
Running Settings Robolectric tests
The full suite
$ croot
$ make RunSettingsRoboTests
Running a single test class
$ croot
$ make RunSettingsRoboTests ROBOTEST_FILTER=<ClassName>
For example:
make RunSettingsRoboTests ROBOTEST_FILTER=CodeInspectionTest
You can also use partial class name in ROBOTEST_FILTER. If the partial class name matches multiple file names, all of them will be executed.