[Status Bar] Update WifiInteractorTest to TestScope; add to robolectric

Bug: 291916037
Test: Run WifiInteractorImplTest in SysUI Studio
Test: atest SystemUiRoboTests
Change-Id: I0d5d100a30956ab6706adc3da82770b1c96ed9dc
diff --git a/packages/SystemUI/Android.bp b/packages/SystemUI/Android.bp
index e2599a3..3b46951 100644
--- a/packages/SystemUI/Android.bp
+++ b/packages/SystemUI/Android.bp
@@ -307,6 +307,7 @@
         "tests/src/com/android/systemui/statusbar/pipeline/wifi/data/repository/WifiRepositorySwitcherTest.kt",
         "tests/src/com/android/systemui/statusbar/pipeline/wifi/data/repository/prod/DisabledWifiRepositoryTest.kt",
         "tests/src/com/android/systemui/statusbar/pipeline/wifi/data/repository/prod/WifiRepositoryImplTest.kt",
+        "tests/src/com/android/systemui/statusbar/pipeline/wifi/domain/interactor/WifiInteractorImplTest.kt",
     ],
     path: "tests/src",
 }