Fix typo in start_web_server, re-enable tests

pkg/pkg.status

Index: pkg/pkg.status
===================================================================
--- pkg/pkg.status	(revision 12726)
+++ pkg/pkg.status	(working copy)
@@ -30,15 +30,6 @@
 [ $system == windows]
 intl/test/date_time_format_http_request_test: skip
 
-# Skip http request tests on Dartium, because we can't skip it on 
-# incremental builds
-[ $runtime == dartium || $runtime == drt ]
-intl/test/date_time_format_http_request_test: skip
-
-# Skip this test all around, something is not skipping, and not running properly
-[ $compiler == dart2js ]
-intl/test/date_time_format_http_request_test: skip
-
 # Skip intl_message tests that use mirrors on dart2js until it's been 
 # implemented there.
 [ $compiler == dart2js ]