Make sure that a LinearProgressIndicator doesn't crash in 0x0 environ… (flutter#177553)

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

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

Author: ahmedsameha1

packages/flutter/test/material/progress_indicator_test.dart

@@ -1969,6 +1969,15 @@ void main() {
       paints..arc(startAngle: 1.5707963267948966, sweepAngle: 0.001),
     );
   });
+
+  testWidgets('LinearProgressIndicator does not crash at zero area', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Center(child: SizedBox.shrink(child: LinearProgressIndicator())),
+      ),
+    );
+    expect(tester.getSize(find.byType(LinearProgressIndicator)), Size.zero);
+  });
 }
 
 class _RefreshProgressIndicatorGolden extends StatefulWidget {