Fix: Ensure CupertinoAlertDialog divider spans full width and resolve - #161490

                                                                                                    
Found 2 Dart files which were formatted incorrectly.
To fix, run `dart format packages/flutter/test/cupertino/dialog_test.dart packages/flutter/lib/src/cupertino/dialog.dart` or:

git apply <<DONE
diff --git a/packages/flutter/test/cupertino/dialog_test.dart b/packages/flutter/test/cupertino/dialog_test.dart
index 4013d0d126..0000000000 100644
--- a/packages/flutter/test/cupertino/dialog_test.dart
+++ b/packages/flutter/test/cupertino/dialog_test.dart
@@ -1989,12 +1989,14 @@ void main() {
     );
   });
 
-  testWidgets('CupertinoAlertDialog divider spans full width and applies color', (WidgetTester tester) async {
-      const double kCupertinoDialogWidth = 270.0;
-      const double kDividerThickness = 0.3;
-      const Size expectedSize = Size(kCupertinoDialogWidth, kDividerThickness);
+  testWidgets('CupertinoAlertDialog divider spans full width and applies color', (
+    WidgetTester tester,
+  ) async {
+    const double kCupertinoDialogWidth = 270.0;
+    const double kDividerThickness = 0.3;
+    const Size expectedSize = Size(kCupertinoDialogWidth, kDividerThickness);
 
-      await tester.pumpWidget(
+    await tester.pumpWidget(
       CupertinoApp(
         home: MediaQuery(
           data: const MediaQueryData(platformBrightness: Brightness.dark),
@@ -2016,16 +2018,17 @@ void main() {
 
     final Finder decoratedBoxFinder = find.byType(DecoratedBox);
 
-    expect(decoratedBoxFinder, findsAny, reason:  'There should exist at least one DecoratedBox');
+    expect(decoratedBoxFinder, findsAny, reason: 'There should exist at least one DecoratedBox');
 
-    final Iterable<Element> elements = decoratedBoxFinder.evaluate().where(
-      (Element decoratedBoxElement) {
-        final DecoratedBox decoratedBox = decoratedBoxElement.widget as DecoratedBox;
-        return (decoratedBox.decoration is BoxDecoration?) && (decoratedBox.decoration as BoxDecoration?)?.color ==
-                CupertinoDynamicColor.resolve(
-                    CupertinoColors.separator, decoratedBoxElement) &&  tester.getSize(find.byWidget(decoratedBox)) == expectedSize;
-      },
-    );
+    final Iterable<Element> elements = decoratedBoxFinder.evaluate().where((
+      Element decoratedBoxElement,
+    ) {
+      final DecoratedBox decoratedBox = decoratedBoxElement.widget as DecoratedBox;
+      return (decoratedBox.decoration is BoxDecoration?) &&
+          (decoratedBox.decoration as BoxDecoration?)?.color ==
+              CupertinoDynamicColor.resolve(CupertinoColors.separator, decoratedBoxElement) &&
+          tester.getSize(find.byWidget(decoratedBox)) == expectedSize;
+    });
 
     expect(elements.length, 1, reason: 'No DecoratedBox matches the specified criteria.');
   });
@@ -2188,3 +2191,4 @@ class LegacyAction extends StatelessWidget {
     );
   }
 }
diff --git a/packages/flutter/lib/src/cupertino/dialog.dart b/packages/flutter/lib/src/cupertino/dialog.dart
index 94b2d305b5..0000000000 100644
--- a/packages/flutter/lib/src/cupertino/dialog.dart
+++ b/packages/flutter/lib/src/cupertino/dialog.dart
@@ -408,8 +408,13 @@ class _CupertinoAlertDialogState extends State<CupertinoAlertDialog> {
             bottom: Column(
               children: <Widget>[
                 SizedBox(
-                width: double.infinity,
-                child: _Divider(dividerColor: dividerColor, hiddenColor: backgroundColor, hidden: false)),
+                  width: double.infinity,
+                  child: _Divider(
+                    dividerColor: dividerColor,
+                    hiddenColor: backgroundColor,
+                    hidden: false,
+                  ),
+                ),
                 Flexible(child: scrolledActionsSection),
               ],
             ),
@@ -2590,3 +2595,4 @@ class _RenderPriorityColumn extends RenderFlex {
     return (topChildHeight: 0, bottomChildHeight: maxHeight);
   }
 }
DONE

╔═╡ERROR #1╞════════════════════════════════════════════════════════════════════
║ Command: bin/cache/dart-sdk/bin/dart --enable-asserts /b/s/w/ir/x/w/flutter/dev/tools/bin/format.dart
║ Command exited with exit code 1 but expected zero exit code.
║ Working directory: /b/s/w/ir/x/w/flutter
╚═══════════════════════════════════════════════════════════════════════════════
▌20:12:28▐ Analyzing code in the framework with the following rules:
 * No "double.clamp"
 * No "Stopwatch"
 * RenderBox subclass intrinsic calculation best practices
 * Add "@protected" to public State subtypes
▌20:14:10▐ Analyzing code in the test folder with the following rules:
 * No "Stopwatch"
▌20:15:37▐ Analyzing code in the tool with the following rules:
 * Avoid "Future.catchError" and "Future.onError"
▌20:16:37▐ Executable allowlist...
▌20:16:37▐ Dart analysis (with --watch)...
RUNNING: cd .; bin/flutter analyze --flutter-repo --watch --benchmark
workingDirectory: /b/s/w/ir/x/w/flutter, executable: /b/s/w/ir/x/w/flutter/bin/flutter, arguments: [analyze, --flutter-repo, --watch, --benchmark]
Analyzing Flutter repository...                                    21.3s