Fix warnings_checker.dart handling of multitests

tests/language/static_field_test.dart

Index: tests/language/static_field_test.dart
diff --git a/tests/language/static_field_test.dart b/tests/language/static_field_test.dart
index d7aa573456023720ba4d17827e24eb34f7b74ad1..ae2459625000b6e1a80e8952f7c0de537f746a78 100644
--- a/tests/language/static_field_test.dart
+++ b/tests/language/static_field_test.dart
@@ -65,7 +65,7 @@ class StaticFieldTest {
 
 
 class StaticField1RunNegativeTest {
-  static // /// 01: static type warning, runtime error
+  static // //# 01: static type warning, runtime error
     var x;
   testMain() {
     var foo = new StaticField1RunNegativeTest();
@@ -75,7 +75,7 @@ class StaticField1RunNegativeTest {
 }
 
 class StaticField1aRunNegativeTest {
-  static // /// 02: static type warning, runtime error
+  static // //# 02: static type warning, runtime error
     void m() {}
 
   testMain() {
@@ -86,7 +86,7 @@ class StaticField1aRunNegativeTest {
 }
 
 class StaticField2RunNegativeTest {
-  static /// 03:  static type warning, runtime error
+  static //# 03:  static type warning, runtime error
     var x;
 
   testMain() {
@@ -97,13 +97,13 @@ class StaticField2RunNegativeTest {
 }
 
 class StaticField2aRunNegativeTest {
-  static //  /// 04: static type warning, runtime error
+  static //  //# 04: static type warning, runtime error
     void m() {}
 
   testMain() {
     var foo = new StaticField2aRunNegativeTest();
     print(m); // Used to compile 'm' and force any errors.
-    foo.m = 1; /// 04:continued
+    foo.m = 1; //# 04:continued
   }
 }