Fixing TaplUninstallRemoveTest#uninstallWorkspaceIcon

Test: Presubmit
Bug: 319501259
Flag: TEST_ONLY
Change-Id: I69d64ac8a0a496c947acf7fdce142a37005aeedc

tests/tapl/com/android/launcher3/tapl/Workspace.java

@@ -444,6 +444,8 @@ public final class Workspace extends Home {
             Runnable expectLongClickEvents) {
         try (LauncherInstrumentation.Closable c = launcher.addContextLayer(
                 "uninstalling app icon")) {
+
+            final String appNameToUninstall = homeAppIcon.getAppName();
             dragIconToWorkspace(
                     launcher,
                     homeAppIcon,
@@ -468,7 +470,10 @@ public final class Workspace extends Home {
 
             try (LauncherInstrumentation.Closable c1 = launcher.addContextLayer(
                     "uninstalled app by dragging to the drop bar")) {
-                return new Workspace(launcher);
+                final Workspace newWorkspace = new Workspace(launcher);
+                launcher.waitUntilLauncherObjectGone(
+                        AppIcon.getAppIconSelector(appNameToUninstall));
+                return newWorkspace;
             }
         }
     }