Adds wide gamut framework test (#153319)

issue: https://github.com/flutter/flutter/issues/127855

## Pre-launch Checklist

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there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

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[Discord]:
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[Data Driven Fixes]:
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dev/integration_tests/wide_gamut_test/integration_test/app_test.dart

@@ -166,5 +166,14 @@ void main() {
           await channel.invokeMethod('test') as List<Object?>;
       expect(_findColor(result, <double>[0.0, 1.0, 0.0]), isTrue);
     });
+    testWidgets('draw container with wide gamut works', (WidgetTester tester) async {
+      app.run(app.Setup.container);
+      await tester.pumpAndSettle(const Duration(seconds: 2));
+
+      const MethodChannel channel = MethodChannel('flutter/screenshot');
+      final List<Object?> result =
+          await channel.invokeMethod('test') as List<Object?>;
+      expect(_findColor(result, _deepRed), isTrue);
+    });
   });
 }

dev/integration_tests/wide_gamut_test/lib/main.dart

@@ -137,7 +137,7 @@ const String _displayP3Logo =
     'gr3yrjmlwqXLjmWw1O2I5Wmp9Xxjyh+AVIZ6ADIAqcwClakzeMgApDILVKbO4CED'
     'kMosUJk6g4dUBuRfvf1am9VRqzYAAAAASUVORK5CYII=';
 
-void main() => run(Setup.drawnImage);
+void main() => run(Setup.container);
 
 enum Setup {
   none,
@@ -145,6 +145,7 @@ enum Setup {
   canvasSaveLayer,
   blur,
   drawnImage,
+  container,
 }
 
 void run(Setup setup) {
@@ -264,7 +265,7 @@ class _MyHomePageState extends State<MyHomePage> {
         _loadImage().then((ui.Image? value) => setState(() { _image = value; }));
       case Setup.drawnImage:
         _drawImage().then((ui.Image? value) => setState(() { _image = value; }));
-      case Setup.image || Setup.blur || Setup.none:
+      case Setup.image || Setup.blur || Setup.none || Setup.container:
         break;
     }
     super.initState();
@@ -297,6 +298,16 @@ class _MyHomePageState extends State<MyHomePage> {
                 child: Image.memory(base64Decode(_displayP3Logo))),
           ],
         );
+      case Setup.container:
+        imageWidget = Container(
+          width: 100,
+          height: 100,
+            color: const Color.from(
+                alpha: 1,
+                red: 1,
+                green: 0,
+                blue: 0,
+                colorSpace: ui.ColorSpace.displayP3));
     }
 
     return Scaffold(