diff --git a/test/fixedbugs/bug487.go b/test/fixedbugs/bug487.go
index ab61a19a94..e60af6c8e2 100644
--- a/test/fixedbugs/bug487.go
+++ b/test/fixedbugs/bug487.go
@@ -14,8 +14,8 @@ func G() (int, int, int) {
 }
 
 func F() {
-	a, b := G()	// ERROR "assignment mismatch"
-	a, b = G()	// ERROR "assignment mismatch"
+	a, b := G()	// ERROR "mismatch"
+	a, b = G()	// ERROR "mismatch"
 	_, _ = a, b
 }
 
diff --git a/test/fixedbugs/issue6977.go b/test/fixedbugs/issue6977.go
index 0f657eec41..4525e406b8 100644
--- a/test/fixedbugs/issue6977.go
+++ b/test/fixedbugs/issue6977.go
@@ -34,7 +34,7 @@ type U3 interface { M; m() }
 type U4 interface { M; M; M }
 type U5 interface { U1; U2; U3; U4 }
 
-type U6 interface { m(); m() } // ERROR "duplicate method m"
-type U7 interface { M32; m() } // ERROR "duplicate method m"
-type U8 interface { m(); M32 } // ERROR "duplicate method m"
-type U9 interface { M32; M64 } // ERROR "duplicate method m"
+type U6 interface { m(); m() } // ERROR "duplicate method .*m"
+type U7 interface { M32; m() } // ERROR "duplicate method .*m"
+type U8 interface { m(); M32 } // ERROR "duplicate method .*m"
+type U9 interface { M32; M64 } // ERROR "duplicate method .*m"