Migrated test block 171 to Dart 2.0.

tests/lib/lib.status

Index: tests/lib/lib.status
diff --git a/tests/lib/lib.status b/tests/lib/lib.status
index ccddbc62aa8ec05344d4170824bf92e6d58efe07..1de281a9d3def91900836e700c10497ffd10379e 100644
--- a/tests/lib/lib.status
+++ b/tests/lib/lib.status
@@ -163,9 +163,6 @@ math/math2_test: RuntimeError
 [ $compiler == dart2js && $runtime == jsshell ]
 async/timer_regress22626_test: RuntimeError # Non-zero timers not supported; Issue 7728.
 async/future_test: RuntimeError # Timer interface not supported; Issue 7728.
-async/slow_consumer2_test: RuntimeError # Timer interface not supported; Issue 7728.
-async/slow_consumer3_test: RuntimeError # Timer interface not supported; Issue 7728.
-async/slow_consumer_test: RuntimeError # Timer interface not supported; Issue 7728.
 async/stream_from_iterable_test: RuntimeError # Timer interface not supported; Issue 7728.
 async/stream_state_nonzero_timer_test: RuntimeError # Timer interface not supported; Issue 7728.
 async/multiple_timer_test: RuntimeError,OK # Needs Timer to run.
@@ -181,7 +178,6 @@ async/stream_periodic3_test: RuntimeError # Timer interface not supported; Issue
 async/stream_periodic4_test: RuntimeError # Timer interface not supported; Issue 7728.
 async/stream_periodic5_test: RuntimeError # Timer interface not supported; Issue 7728.
 async/stream_periodic6_test: RuntimeError # Timer interface not supported; Issue 7728.
-async/run_zoned7_test: RuntimeError # Timer interface not supported: Issue 7728.
 async/catch_errors22_test: RuntimeError # Timer interface not supported: Issue 7728.
 async/timer_isActive_test: RuntimeError # Timer interface not supported: Issue 7728.
 async/zone_empty_description2_test: RuntimeError # Timer interface not supported: Issue 7728.
@@ -196,7 +192,6 @@ async/catch_errors19_test: Fail # Timer interface not supported: Issue 7728.
 async/catch_errors20_test: Fail # Timer interface not supported: Issue 7728.
 async/catch_errors28_test: Fail # Timer interface not supported: Issue 7728.
 async/catch_errors8_test: Fail # Timer interface not supported: Issue 7728.
-async/run_zoned8_test: Fail # Timer interface not supported: Issue 7728.
 async/zone_bind_test: Fail # Timer interface not supported: Issue 7728.
 async/future_timeout_test: Fail # Timer interface not supported: Issue 7728.
 async/stream_timeout_test: Fail # Timer interface not supported: Issue 7728.
@@ -236,11 +231,8 @@ mirrors/*: Skip # Issue 27929: Triage
 mirrors/*: Skip # Flutter does not support mirrors.
 async/catch_errors11_test: Skip # Flutter Issue 9113
 async/intercept_schedule_microtask2_test: Skip # Flutter Issue 9113
-async/run_zoned6_test/01: Skip # Flutter Issue 9113
-async/schedule_microtask_test: Skip # Flutter Issue 9113
 async/intercept_schedule_microtask6_test: Skip # Flutter Issue 9113
 async/stream_empty_test: Skip # Flutter Issue 9113
-async/run_zoned9_test/01: Skip # Flutter Issue 9113
 async/intercept_schedule_microtask5_test: Skip # Flutter Issue 9113
 async/stream_event_transformed_test: Skip # Flutter Issue 9113
 math/random_secure_test: RuntimeError # Flutter Issue 9113
@@ -256,7 +248,6 @@ mirrors/mirrors_reader_test: Timeout, Slow, RuntimeError # Issue 16589
 
 [ $runtime == chrome && $system == macos ]
 async/timer_isActive_test: Fail, Pass, Timeout # Issue 22696
-async/slow_consumer_test: Pass, Timeout # Issue 22696
 async/catch_errors11_test: Pass, Timeout # Issue 22696
 
 [ $runtime == chrome && $system == linux ]
@@ -267,7 +258,6 @@ convert/streamed_conversion_utf8_encode_test: SkipSlow # Times out. Issue 22050
 convert/streamed_conversion_utf8_decode_test: SkipSlow # Times out. Issue 22050
 convert/streamed_conversion_json_utf8_encode_test: SkipSlow # Times out. Issue 22050
 convert/streamed_conversion_json_utf8_decode_test: SkipSlow # Times out. Issue 22050
-async/slow_consumer2_test: SkipSlow # Times out. Issue 22050
 async/stream_timeout_test: SkipSlow # Times out. Issue 22050
 
 [ $compiler == dart2js ]
@@ -300,9 +290,6 @@ async/future_or_strong_test: RuntimeError, OK
 async/first_regression_test: RuntimeError
 async/future_timeout_test: RuntimeError
 async/multiple_timer_test: RuntimeError
-async/schedule_microtask2_test: RuntimeError
-async/schedule_microtask3_test: RuntimeError
-async/schedule_microtask5_test: RuntimeError
 async/stream_controller_async_test: RuntimeError
 async/stream_first_where_test: RuntimeError
 async/stream_from_iterable_test: RuntimeError
@@ -343,7 +330,6 @@ mirrors/mirrors_reader_test: SkipSlow # Times out. Issue 20806.
 mirrors/null_test: Fail # Issue 16831
 
 [ $compiler == dart2js && $runtime == jsshell ]
-async/schedule_microtask_test: Fail  # Preamble file does not correctly implement scheduleImmediate.
 
 [ $compiler == dart2analyzer ]
 mirrors/generic_f_bounded_mixin_application_test: StaticWarning # Test Issue
@@ -462,7 +448,6 @@ mirrors/other_declarations_location_test: Crash # assertion error, TypeParameter
 async/future_or_strong_test: RuntimeError
 async/future_test/01: RuntimeError
 async/future_test/none: RuntimeError
-async/schedule_microtask2_test: RuntimeError
 mirrors/abstract_class_test/00: RuntimeError
 mirrors/abstract_class_test/none: RuntimeError
 mirrors/class_declarations_test/01: RuntimeError