Fix failed test case for BatteryInfoTest

Test: atest SettingsRoboTests:BatteryInfoTest
Change-Id: Ia83af3a7075ee80b27345ca74d02a2d94b88a51d
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryInfoTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryInfoTest.java
index c5c47d2..6bf6135 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryInfoTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryInfoTest.java
@@ -125,7 +125,7 @@
         BatteryInfo info = BatteryInfo.getBatteryInfoOld(mContext, mChargingBatteryBroadcast,
                 mBatteryUsageStats, SystemClock.elapsedRealtime() * 1000, false /* shortString */);
 
-        assertThat(info.chargeLabel.toString()).isEqualTo(STATUS_CHARGING_NO_TIME);
+        assertThat(info.chargeLabel.toString()).ignoringCase().isEqualTo(STATUS_CHARGING_NO_TIME);
     }
 
     @Test