update test status files after jsshell roll

tests/corelib/corelib.status

Index: tests/corelib/corelib.status
diff --git a/tests/corelib/corelib.status b/tests/corelib/corelib.status
index c790f6f2d52f2835cdbd0b5dac6a6e139bd762e7..5545b267613941a1eb97ad4b3d3c7f931a6beedc 100644
--- a/tests/corelib/corelib.status
+++ b/tests/corelib/corelib.status
@@ -122,9 +122,6 @@ string_trimlr_test/02: RuntimeError # Uses Unicode 6.2.0 or earlier.
 [ $compiler == dart2js && $runtime == drt ]
 string_trimlr_test/02: RuntimeError # Uses Unicode 6.2.0 or earlier.
 
-[ $compiler == dart2js && $runtime == jsshell ]
-string_trimlr_test/02: RuntimeError # Uses Unicode 6.2.0 or earlier.
-
 [ $compiler == dart2js && $runtime == safarimobilesim ]
 string_split_test: RuntimeError # Issue 21431
 
@@ -136,10 +133,6 @@ string_trimlr_test/02: RuntimeError # Uses Unicode 6.2.0 or earlier.
 [ $compiler == dart2js && ($runtime == ff || $runtime == jsshell) ]
 string_case_test/01: Fail, OK  # Bug in Firefox.
 
-[ $compiler == dart2js && $runtime == jsshell && ! $fast_startup]
-list_test/none: RuntimeError # Issue 27871, Issue 28014, proably Bug in jsshell / Firefox
-list_test/01: RuntimeError # Issue 27871, Issue 28014, proably Bug in jsshell / Firefox
-
 [ $compiler == dart2js && $runtime == dartium ]
 string_case_test/02: Fail, OK  # Bug in dartium version of V8.
 string_case_test/03: Fail, OK  # Bug in dartium version of V8.