Update all tests

tests/corelib/int_from_environment3_test.dart

Index: tests/corelib/int_from_environment3_test.dart
diff --git a/tests/corelib/int_from_environment3_test.dart b/tests/corelib/int_from_environment3_test.dart
index 707add88181d3ea57859a745ccb02d9aac8248e1..9f87aed16b58922da9638cd20ea1c563f3307f75 100644
--- a/tests/corelib/int_from_environment3_test.dart
+++ b/tests/corelib/int_from_environment3_test.dart
@@ -3,9 +3,9 @@
 // BSD-style license that can be found in the LICENSE file.
 
 main() {
-  const int.fromEnvironment('NOT_FOUND', defaultValue: '');  /// 01: compile-time error
-  const int.fromEnvironment('NOT_FOUND', defaultValue: true);  /// 02: compile-time error
-  const int.fromEnvironment(null);  /// 03: compile-time error
-  const int.fromEnvironment(1);  /// 04: compile-time error
-  const int.fromEnvironment([]);  /// 05: compile-time error
+  const int.fromEnvironment('NOT_FOUND', defaultValue: '');  //# 01: compile-time error
+  const int.fromEnvironment('NOT_FOUND', defaultValue: true);  //# 02: compile-time error
+  const int.fromEnvironment(null);  //# 03: compile-time error
+  const int.fromEnvironment(1);  //# 04: compile-time error
+  const int.fromEnvironment([]);  //# 05: compile-time error
 }