Update linux status for Firefox 55

tests/corelib_2/corelib_2.status

Index: tests/corelib_2/corelib_2.status
diff --git a/tests/corelib_2/corelib_2.status b/tests/corelib_2/corelib_2.status
index 7789b6bd0bf8acb0eaa44fd87ad53716fdb6a038..9ec9c19b351d0d8dbdf09f195cb8bedb69b18c1f 100644
--- a/tests/corelib_2/corelib_2.status
+++ b/tests/corelib_2/corelib_2.status
@@ -306,17 +306,12 @@ string_from_environment3_test/04: MissingCompileTimeError
 string_from_environment3_test/05: MissingCompileTimeError
 
 [ $runtime == ff || $runtime == jsshell ]
-# Firefox takes advantage of the ECMAScript number parsing cop-out clause
-# (presumably added to allow Mozilla's existing behavior)
-# and only looks at the first 20 significant digits.
-# The Dart VM and the other ECMAScript implementations follow the correct
-# IEEE-754 rounding algorithm.
-double_parse_test/02: Fail, OK
-unicode_test: Fail
+double_parse_test/02: Fail, OK # Issue 30468
+regexp/UC16_test: RuntimeError
 
-[ $runtime == ff && $system == windows ]
-unicode_test: Pass # When Linux FF updates to 55, remove the fail status from FF in the other status line for this file.
-string_case_test/01: Pass # When Linux FF updates to 55, remove the fail status from FF in the other status line for this file.
+[ $runtime == jsshell ]
+unicode_test: Fail
+string_case_test/01: Fail, OK
 
 [ ($runtime == vm || $runtime == dart_precompiled) && $arch == simarmv5te ]
 big_integer_parsed_mul_div_vm_test: Pass, SloW
@@ -453,10 +448,6 @@ from_environment_const_type_undefined_test/16: MissingCompileTimeError
 [ ($compiler == none && $runtime == vm) || $compiler == dart2js ]
 string_base_vm_static_test: MissingCompileTimeError
 
-[ $compiler == dart2js && ($runtime == ff || $runtime == jsshell) ]

[Bill Hesse, 2017/08/17 13:09:32]

The only runtime == ff or jsshell combinations are those with compiler ==
dart2js.

-string_case_test/01: Fail, OK # Bug in Firefox. Change to jsshell fail only once linux updates to 55.
-regexp/UC16_test: RuntimeError
-
 [ $compiler == none && $runtime == drt ]
 string_from_environment2_test: Skip
 string_from_environment3_test: Skip