Fix timeout in test

Fix timeout in test

The server socket could be closed before all connections was handled
causing fewer calls to asyncEnd than to asyncStart and timeout.

Now the test waits with closing the server socket until all expected
connections have been made.

R=kustermann@google.com
BUG=

Committed: https://code.google.com/p/dart/source/detail?r=43647

[kustermann, 2015-02-10 14:20:17]

LGTM

https://codereview.chromium.org/915523004/diff/1/tests/standalone/io/socket_s...
File tests/standalone/io/socket_source_address_test.dart (right):

https://codereview.chromium.org/915523004/diff/1/tests/standalone/io/socket_s...
tests/standalone/io/socket_source_address_test.dart:126: server.close();
-> await server.close() ?

[Søren Gjesse, 2015-02-10 14:28:55]

New patchsets have been uploaded after l-g-t-m from kustermann@google.com

[Søren Gjesse, 2015-02-10 14:29:10]

https://codereview.chromium.org/915523004/diff/1/tests/standalone/io/socket_s...
File tests/standalone/io/socket_source_address_test.dart (right):

https://codereview.chromium.org/915523004/diff/1/tests/standalone/io/socket_s...
tests/standalone/io/socket_source_address_test.dart:126: server.close();
On 2015/02/10 14:20:17, kustermann wrote:
> -> await server.close() ?

Done.

[Søren Gjesse, 2015-02-10 14:29:41]

Committed patchset #2 (id:20001) manually as 43647 (presubmit successful).