Hide parent function name in name of closurized function to user.

pkg/unittest/test/matchers_test.dart

Index: pkg/unittest/test/matchers_test.dart
===================================================================
--- pkg/unittest/test/matchers_test.dart	(revision 24503)
+++ pkg/unittest/test/matchers_test.dart	(working copy)
@@ -65,7 +65,7 @@
       shouldFail(doesNotThrow, throws,
           matches(
               r"Expected: throws"
-              r"  Actual: <Closure(: \(dynamic\) => dynamic "
+              r"  Actual: <Closure(: \(\) => dynamic "
               r"from Function 'doesNotThrow': static\.)?>"
               r"   Which: did not throw"));
       shouldPass(doesThrow, throws);
@@ -80,7 +80,7 @@
       shouldFail(doesThrow, throwsA(equals('Y')),
           matches(
               r"Expected: throws 'Y'"
-              r"  Actual: <Closure(: \(dynamic\) => dynamic "
+              r"  Actual: <Closure(: \(\) => dynamic "
               r"from Function 'doesThrow': static\.)?>"
               r"   Which: threw 'X'"));
     });
@@ -90,7 +90,7 @@
       shouldFail(doesThrow, returnsNormally,
           matches(
               r"Expected: return normally"
-              r"  Actual: <Closure(: \(dynamic\) => dynamic "
+              r"  Actual: <Closure(: \(\) => dynamic "
               r"from Function 'doesThrow': static\.)?>"
               r"   Which: threw 'X'"));
     });