pkg/stack_trace: fix vm_test

fix vm_test

R=nweiz@google.com

Committed: https://github.com/dart-lang/stack_trace/commit/f1e4143d8292c11e7e8744d0145d6180284b0ad0

[kevmoo, 2016-02-01 22:34:15]

kevmoo@google.com changed reviewers:
+ nweiz@google.com

[nweiz, 2016-02-01 22:46:46]

lgtm

https://codereview.chromium.org/1654063003/diff/20001/test/vm_test.dart
File test/vm_test.dart (right):

https://codereview.chromium.org/1654063003/diff/20001/test/vm_test.dart#newco...
test/vm_test.dart:15: String getStackTraceString() =>
StackTrace.current.toString();
Add comments explaining why these have to be wrapped in functions.

[kevmoo, 2016-02-01 22:48:56]

https://codereview.chromium.org/1654063003/diff/20001/test/vm_test.dart
File test/vm_test.dart (right):

https://codereview.chromium.org/1654063003/diff/20001/test/vm_test.dart#newco...
test/vm_test.dart:15: String getStackTraceString() =>
StackTrace.current.toString();
On 2016/02/01 22:46:46, nweiz wrote:
> Add comments explaining why these have to be wrapped in functions.

Done.

[kevmoo, 2016-02-01 22:49:05]

Description was changed from

==========
fix vm_test
==========

to

==========
fix vm_test

R=nweiz@google.com

Committed:
https://github.com/dart-lang/stack_trace/commit/f1e4143d8292c11e7e8744d0145d6...
==========

[kevmoo, 2016-02-01 22:49:06]

Committed patchset #3 (id:40001) manually as
f1e4143d8292c11e7e8744d0145d6180284b0ad0 (presubmit successful).