From 6f9ed76faf9fe7f254291cc5bf9c5ffe4c459487 Mon Sep 17 00:00:00 2001
From: sjindel-google <sjindel@google.com>
Date: Mon, 24 Feb 2020 16:52:11 +0100
Subject: [PATCH] Update covariant_templates_test after changes to TypeError.
 (#51330)

TypeError no longer implements AssertionError after https://github.com/dart-lang/sdk/issues/40317.
---
 packages/flutter/test/foundation/covariant_templates_test.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/flutter/test/foundation/covariant_templates_test.dart b/packages/flutter/test/foundation/covariant_templates_test.dart
index 621ad182ea..d522000cba 100644
--- a/packages/flutter/test/foundation/covariant_templates_test.dart
+++ b/packages/flutter/test/foundation/covariant_templates_test.dart
@@ -18,6 +18,6 @@ void main() {
     final A<X> ayAsAx = ay;
     expect(() {
       ayAsAx.u = X();
-    }, throwsAssertionError);
+    }, throwsA(isA<TypeError>()));
   });
 }