Fix warnings_checker.dart handling of multitests

tests/language_strong/super_bound_closure_test.dart

Index: tests/language_strong/super_bound_closure_test.dart
diff --git a/tests/language_strong/super_bound_closure_test.dart b/tests/language_strong/super_bound_closure_test.dart
index 8e02e31f6a97458c41c2869938ba105e3830c0d9..6a2cd2b89316b3f289f980f9c9032ab4c07cf0c5 100644
--- a/tests/language_strong/super_bound_closure_test.dart
+++ b/tests/language_strong/super_bound_closure_test.dart
@@ -72,15 +72,15 @@ class B extends A {
   fooIntercept27() => confuse(super.lastWhere)(0);
   fooIntercept28() => confuse(super.lastWhere)(3, orElse: 77);
 
-  bar([var optional]) => -1; //       /// 01: static type warning
-  bar2({ namedOptional }) => -1; //   /// 01: continued
-  bar3(x, [var optional]) => -1; //   /// 01: continued
-  bar4(x, { namedOptional }) => -1; /// 01: continued
+  bar([var optional]) => -1; //       //# 01: static type warning
+  bar2({ namedOptional }) => -1; //   //# 01: continued
+  bar3(x, [var optional]) => -1; //   //# 01: continued
+  bar4(x, { namedOptional }) => -1; //# 01: continued
 
-  gee([var optional]) => -1; //       /// 01: continued
-  gee2({ namedOptional }) => -1; //   /// 01: continued
-  gee3(x, [var optional]) => -1; //   /// 01: continued
-  gee4(x, { namedOptional }) => -1; /// 01: continued
+  gee([var optional]) => -1; //       //# 01: continued
+  gee2({ namedOptional }) => -1; //   //# 01: continued
+  gee3(x, [var optional]) => -1; //   //# 01: continued
+  gee4(x, { namedOptional }) => -1; //# 01: continued
 
   add([var optional = 33]) => -1;
   trim({ namedOptional: 22 }) => -1;
@@ -106,27 +106,27 @@ main() {
   var ignored2 = list[confuse(3)];
 
   var t = b.gee() + b.gee2() + b.gee3(9) + b.gee4(19);
-  Expect.equals(-4, t); /// 01: continued
+  Expect.equals(-4, t); //# 01: continued
   t = b.shuffle() + b.toList() + b.lastIndexOf(1) + b.lastWhere(2);
   Expect.equals(-4, t);
 
-  Expect.equals(499, b.foo()); // /// 01: continued
-  Expect.equals(500, b.foo2()); /// 01: continued
-  Expect.equals(42, b.foo3()); // /// 01: continued
-  Expect.equals(117, b.foo4()); /// 01: continued
-  Expect.equals(498, b.foo5()); /// 01: continued
-  Expect.equals(468, b.foo6()); /// 01: continued
-  Expect.equals(426, b.foo7()); /// 01: continued
-  Expect.equals(502, b.foo8()); /// 01: continued
-
-  Expect.equals(499, b.fooGee()); // /// 01: continued
-  Expect.equals(500, b.fooGee2()); /// 01: continued
-  Expect.equals(42, b.fooGee3()); // /// 01: continued
-  Expect.equals(117, b.fooGee4()); /// 01: continued
-  Expect.equals(498, b.fooGee5()); /// 01: continued
-  Expect.equals(468, b.fooGee6()); /// 01: continued
-  Expect.equals(426, b.fooGee7()); /// 01: continued
-  Expect.equals(502, b.fooGee8()); /// 01: continued
+  Expect.equals(499, b.foo()); // //# 01: continued
+  Expect.equals(500, b.foo2()); //# 01: continued
+  Expect.equals(42, b.foo3()); // //# 01: continued
+  Expect.equals(117, b.foo4()); //# 01: continued
+  Expect.equals(498, b.foo5()); //# 01: continued
+  Expect.equals(468, b.foo6()); //# 01: continued
+  Expect.equals(426, b.foo7()); //# 01: continued
+  Expect.equals(502, b.foo8()); //# 01: continued
+
+  Expect.equals(499, b.fooGee()); // //# 01: continued
+  Expect.equals(500, b.fooGee2()); //# 01: continued
+  Expect.equals(42, b.fooGee3()); // //# 01: continued
+  Expect.equals(117, b.fooGee4()); //# 01: continued
+  Expect.equals(498, b.fooGee5()); //# 01: continued
+  Expect.equals(468, b.fooGee6()); //# 01: continued
+  Expect.equals(426, b.fooGee7()); //# 01: continued
+  Expect.equals(502, b.fooGee8()); //# 01: continued
 
   Expect.equals(1267, b.fooIntercept());
   Expect.equals(1236, b.fooIntercept2());