Update all tests

tests/corelib_strong/bool_from_environment2_test.dart

Index: tests/corelib_strong/bool_from_environment2_test.dart
diff --git a/tests/corelib_strong/bool_from_environment2_test.dart b/tests/corelib_strong/bool_from_environment2_test.dart
index 0a9bff7933ebacbbb5e1ce5c393e8543af1afd75..8445675c504f8ebc642d2763c810c5abc252c271 100644
--- a/tests/corelib_strong/bool_from_environment2_test.dart
+++ b/tests/corelib_strong/bool_from_environment2_test.dart
@@ -3,9 +3,9 @@
 // BSD-style license that can be found in the LICENSE file.
 
 main() {
-  const bool.fromEnvironment('NOT_FOUND', defaultValue: '');  /// 01: compile-time error
-  const bool.fromEnvironment('NOT_FOUND', defaultValue: 1);  /// 02: compile-time error
-  const bool.fromEnvironment(null);  /// 03: compile-time error
-  const bool.fromEnvironment(1);  /// 04: compile-time error
-  const bool.fromEnvironment([]);  /// 05: compile-time error
+  const bool.fromEnvironment('NOT_FOUND', defaultValue: '');  //# 01: compile-time error
+  const bool.fromEnvironment('NOT_FOUND', defaultValue: 1);  //# 02: compile-time error
+  const bool.fromEnvironment(null);  //# 03: compile-time error
+  const bool.fromEnvironment(1);  //# 04: compile-time error
+  const bool.fromEnvironment([]);  //# 05: compile-time error
 }