Make sure that a Tab doesn't crash in 0x0 environment (#178118)

This is my attempt to handle
flutter/flutter#6537 for the Tab widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>

Author: ahmedsameha1

packages/flutter/test/material/tabs_test.dart

@@ -9323,6 +9323,19 @@ void main() {
     expect((innerMaterial as dynamic).debugInkFeatures, hasLength(1));
   });
 
+  testWidgets('Tab does not crash at zero area', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Scaffold(
+          body: Center(
+            child: SizedBox.shrink(child: Tab(child: Text('X'))),
+          ),
+        ),
+      ),
+    );
+    expect(tester.getSize(find.byType(Tab)), Size.zero);
+  });
+
   testWidgets('Tab can have children with other semantics roles', (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(