Minor tweaks to the core library.

dart/tests/corelib/corelib-leg.status

Index: dart/tests/corelib/corelib-leg.status
diff --git a/dart/tests/corelib/corelib-leg.status b/dart/tests/corelib/corelib-leg.status
index 6b0d2327772a82d38d4fd3a677376fbdadb82cd9..2ff3406baf23577c6881f86cd2e2394f51537e6c 100644
--- a/dart/tests/corelib/corelib-leg.status
+++ b/dart/tests/corelib/corelib-leg.status
@@ -8,13 +8,11 @@
 
 [ $component == dart2js || $component == legium ]
 MathParseDoubleTest: Fail # Expect.equals(expected: <78187493520>, actual: <0>)
-StringTest: Fail # Expect.equals(expected: <5>, actual: <4>) fails.
 
 
 # Compilation errors.
 ConstListLiteralTest: Fail # visitContinueStatement not implemented
 ForInTest: Fail # visitContinueStatement not implemented
-ListGetRangeTest: Fail # Bad code for Expect.throws.
 
 
 # Bad test, assumes RegExp.allMatches returns a Collection.
@@ -27,5 +25,3 @@ BigIntegerVMTest: Fail, OK # VM specific test.
 GrowableObjectArray2VMTest: Fail, OK # VM specific test.
 GrowableObjectArrayVMTest: Fail, OK # VM specific test.
 StringBaseVMTest: Fail, OK # VM specific test.
-
-StringPatternTest: Fail