fix test

Author: Chris Yang

testing/scenario_app/ios/FlutterAppExtensionTestHost/Scenarios/Info_Impeller.plist

@@ -0,0 +1,29 @@
+<!--Dummy plist file to make the impeller version of scenario test happy-->
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<!--This flag does not do anything, it only makes the xcodebuild command happy-->
+	<key>FLTEnableImpeller</key>
+	<true/>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>SceneDelegate</string>
+					<key>UISceneStoryboardFile</key>
+					<string>Main</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
+</dict>
+</plist>

testing/scenario_app/run_ios_tests.sh

@@ -109,7 +109,9 @@ if set -o pipefail && xcodebuild -sdk iphonesimulator \
   -skip-testing ScenariosUITests/TwoPlatformViewClipRRectTests/testPlatformView \
   -skip-testing ScenariosUITests/TwoPlatformViewsWithOtherBackDropFilterTests/testPlatformView \
   -skip-testing ScenariosUITests/UnobstructedPlatformViewTests/testMultiplePlatformViewsWithOverlays \
-  INFOPLIST_FILE="Scenarios/Info_Impeller.plist"; then # Plist with FLTEnableImpeller=YES
+  # Plist with FLTEnableImpeller=YES, all projects in the workspace requires this file.
+  # For example, FlutterAppExtensionTestHost has a dummy file under the below directory.
+  INFOPLIST_FILE="Scenarios/Info_Impeller.plist"; then
   echo "test success."
 else
   echo "test failed."