Fix a number of editor errors and warnings in io tests

tests/standalone/src/io/ReadIntoConstList.dart

Index: tests/standalone/src/io/ReadIntoConstList.dart
diff --git a/tests/standalone/src/io/ReadIntoConstList.dart b/tests/standalone/src/io/ReadIntoConstList.dart
index bc78386e70abd7a68c4f4bc8332b56d3dca15aab..02b06ece973b713af8c3c2b0b476579a275f07c9 100644
--- a/tests/standalone/src/io/ReadIntoConstList.dart
+++ b/tests/standalone/src/io/ReadIntoConstList.dart
@@ -5,6 +5,8 @@
 // Regression test for missing immutability check in the ListSet
 // methods in the API. This allowed overwriting const Lists.
 
+#import("dart:io");

[Mads Ager (google), 2012/04/19 09:08:38]

This test is not run. We need to rename it so it ends with Test.

[Søren Gjesse, 2012/04/19 09:17:26]

Of cause, done.

+
 String getFilename(String path) =>
     new File(path).existsSync() ? path : 'runtime/' + path;