Updated skipped tests for rendering directory. (#87700)

packages/flutter/test/rendering/first_frame_test.dart

@@ -24,7 +24,7 @@ void main() {
     binding.handleDrawFrame();
 
     await expectLater(completer.future, completes);
-  }, skip: !kIsWeb);
+  }, skip: !kIsWeb); // [intended] the test is only makes sense on the web.
 }
 
 class TestRenderBinding extends BindingBase

packages/flutter/test/rendering/image_test.dart

@@ -189,7 +189,7 @@ Future<void> main() async {
 
     image.dispose();
     expect(image.debugGetOpenHandleStackTraces()!.length, 0);
-  }, skip: kIsWeb); // Web doesn't track open image handles.
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87442
 
   test('RenderImage does not dispose its image if setting the same image twice', () async {
     final ui.Image image = await createTestImage(width: 10, height: 10, cache: false);
@@ -206,7 +206,7 @@ Future<void> main() async {
 
     image.dispose();
     expect(image.debugGetOpenHandleStackTraces()!.length, 0);
-  }, skip: kIsWeb); // Web doesn't track open image handles.
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87442
 
   test('Render image disposes its image when it is disposed', () async {
     final ui.Image image = await createTestImage(width: 10, height: 10, cache: false);
@@ -221,5 +221,5 @@ Future<void> main() async {
 
     image.dispose();
     expect(image.debugGetOpenHandleStackTraces()!.length, 0);
-  }, skip: kIsWeb); // Web doesn't track open image handles.
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87442
 }

packages/flutter/test/rendering/layers_test.dart

@@ -434,7 +434,7 @@ void main() {
     // Ensure we can render the same scene again after rendering an interior
     // layer.
     parent.buildScene(SceneBuilder());
-  }, skip: isBrowser); // TODO(yjbanov): `toImage` doesn't work on the Web: https://github.com/flutter/flutter/issues/42767
+  }, skip: isBrowser); // TODO(yjbanov): `toImage` doesn't work on the Web: https://github.com/flutter/flutter/issues/49857
 
   test('PictureLayer does not let you call dispose unless refcount is 0', () {
     PictureLayer layer = PictureLayer(Rect.zero);

packages/flutter/test/rendering/paragraph_test.dart

@@ -118,7 +118,7 @@ void main() {
 
     final TextPosition positionBelow = paragraph.getPositionForOffset(const Offset(5.0, 20.0));
     expect(positionBelow.offset, greaterThan(position40.offset));
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61015
+  });
 
   test('getBoxesForSelection control test', () {
     final RenderParagraph paragraph = RenderParagraph(
@@ -184,7 +184,7 @@ void main() {
     expect(boxes[2], const TextBox.fromLTRBD(0.0, 10.0, 130.0, 20.0, TextDirection.ltr));
     // 'fifth':
     expect(boxes[3], const TextBox.fromLTRBD(0.0, 20.0, 50.0, 30.0, TextDirection.ltr));
-  }, skip: !isLinux); // mac typography values can differ
+  }, skip: !isLinux); // mac typography values can differ https://github.com/flutter/flutter/issues/12357
 
   test('getBoxesForSelection test with boxHeightStyle and boxWidthStyle set to max', () {
     final RenderParagraph paragraph = RenderParagraph(
@@ -243,7 +243,7 @@ void main() {
 
     final TextRange range85 = paragraph.getWordBoundary(const TextPosition(offset: 75));
     expect(range85.textInside(_kText), equals("Queen's"));
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61017
+  });
 
   test('overflow test', () {
     final RenderParagraph paragraph = RenderParagraph(
@@ -439,7 +439,7 @@ void main() {
     expect(boxes[2].toRect().height, moreOrLessEquals(26.0, epsilon: 0.0001));
     expect(boxes[3].toRect().width, anyOf(14.0, 13.0));
     expect(boxes[3].toRect().height, moreOrLessEquals(13.0, epsilon: 0.0001));
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61016
+  });
 
   test('toStringDeep', () {
     final RenderParagraph paragraph = RenderParagraph(
@@ -605,7 +605,7 @@ void main() {
     // intrinsicHeight = singleLineHeight * textScaleFactor * two lines.
     expect(maxIntrinsicHeight, singleLineHeight * 2.0 * 2);
     expect(maxIntrinsicHeight, minIntrinsicHeight);
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61020
+  });
 
   test('can compute IntrinsicWidth for widget span', () {
     // Regression test for https://github.com/flutter/flutter/issues/59316
@@ -648,7 +648,7 @@ void main() {
     final double maxIntrinsicWidth = paragraph.computeMaxIntrinsicWidth(fixedHeight);
     // maxIntrinsicWidth = widthForOneLine * textScaleFactor
     expect(maxIntrinsicWidth, widthForOneLine * 2.0);
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61020
+  });
 
   test('inline widgets multiline test', () {
     const TextSpan text = TextSpan(
@@ -714,7 +714,7 @@ void main() {
     layout(paragraph);
 
     paragraph.assembleSemanticsNode(SemanticsNode(), SemanticsConfiguration(), <SemanticsNode>[]);
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61020
+  });
 
   test('Asserts on unsupported gesture recognizer', () {
     final RenderParagraph paragraph = RenderParagraph(
@@ -733,7 +733,7 @@ void main() {
       expect(e.message, 'MultiTapGestureRecognizer is not supported.');
     }
     expect(failed, true);
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61020
+  });
 
   test('assembleSemanticsNode handles text spans that do not yield selection boxes', () {
     final RenderParagraph paragraph = RenderParagraphWithEmptySelectionBoxList(
@@ -750,7 +750,7 @@ void main() {
     final SemanticsNode node = SemanticsNode();
     paragraph.assembleSemanticsNode(node, SemanticsConfiguration(), <SemanticsNode>[]);
     expect(node.childrenCount, 2);
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61020
+  });
 
   test('assembleSemanticsNode handles empty WidgetSpans that do not yield selection boxes', () {
     final TextSpan text = TextSpan(text: '', children: <InlineSpan>[

packages/flutter/test/rendering/platform_view_test.dart

@@ -99,7 +99,7 @@ void main() {
       expect(fakePlatformViewController.dispatchedPointerEvents, isNotEmpty);
     });
 
-  }, skip: isBrowser); // TODO(yjbanov): fails on Web with obscured stack trace: https://github.com/flutter/flutter/issues/42770
+  });
 
   // Regression test for https://github.com/flutter/flutter/issues/69431
   test('multi-finger touch test', () {

packages/flutter/test/rendering/proxy_box_test.dart

@@ -262,7 +262,7 @@ void main() {
     expect(getPixel(20, 20), equals(0x00000080));
     expect(getPixel(image.width - 1, 0), equals(0x00000000));
     expect(getPixel(image.width - 1, 20), equals(0xffffffff));
-  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/42767
+  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/49857
 
   test('RenderOpacity does not composite if it is transparent', () {
     final RenderOpacity renderOpacity = RenderOpacity(