Merge "Improve diagnostics when cannot install wellbeing test apk" into sc-dev am: 1ba5a68e31

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14682231

Change-Id: I118d84ba28a4af3eb2f6eec7c9af691e34f1a694

tests/src/com/android/launcher3/util/TestUtil.java

@@ -22,6 +22,8 @@ import android.content.res.Resources;
 
 import androidx.test.uiautomator.UiDevice;
 
+import org.junit.Assert;
+
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -48,7 +50,10 @@ public class TestUtil {
         in.close();
         out.close();
 
-        UiDevice.getInstance(getInstrumentation()).executeShellCommand("pm install " + apkFilename);
+        final String result = UiDevice.getInstance(getInstrumentation())
+                .executeShellCommand("pm install " + apkFilename);
+        Assert.assertTrue("Failed to install wellbeing test apk; make sure the device is rooted",
+                "Success".equals(result.replaceAll("\\s+", "")));
     }
 
     public static void uninstallDummyApp() throws IOException {