Fix warnings_checker.dart handling of multitests

tests/language_strong/override_inheritance_abstract_test.dart

Index: tests/language_strong/override_inheritance_abstract_test.dart
diff --git a/tests/language_strong/override_inheritance_abstract_test.dart b/tests/language_strong/override_inheritance_abstract_test.dart
index 32fb7d13f64847e33c70aad9be0a39fc69fb6d04..0b40b88dc4c92382ecfd4b0f859e0d83ddb23934 100644
--- a/tests/language_strong/override_inheritance_abstract_test.dart
+++ b/tests/language_strong/override_inheritance_abstract_test.dart
@@ -3,62 +3,62 @@
 // BSD-style license that can be found in the LICENSE file.
 
 abstract class A {
-  method1(); /// 01: ok
-  method5(); /// 05: ok
-  method6(); /// 06: ok
-  method7(); /// 07: static type warning
-  get getter8; /// 08: static type warning
-  set setter9(_); /// 09: static type warning
-  method10(); /// 10: static type warning
-  get getter11; /// 11: static type warning
-  set setter12(_); /// 12: static type warning
-  get field13; /// 13: static type warning
-  set field14(_); /// 14: static type warning
-  method18() {} /// 18: ok
-  method27() {} /// 27: ok
+  method1(); //# 01: ok
+  method5(); //# 05: ok
+  method6(); //# 06: ok
+  method7(); //# 07: static type warning
+  get getter8; //# 08: static type warning
+  set setter9(_); //# 09: static type warning
+  method10(); //# 10: static type warning
+  get getter11; //# 11: static type warning
+  set setter12(_); //# 12: static type warning
+  get field13; //# 13: static type warning
+  set field14(_); //# 14: static type warning
+  method18() {} //# 18: ok
+  method27() {} //# 27: ok
 }
 
 abstract class I {
-  method10() {} /// 10: continued
-  get getter11 => 0; /// 11: continued
-  set setter12(_) {} /// 12: continued
-  var field13; /// 13: continued
-  var field14; /// 14: continued
-  method15() {} /// 15: ok
-  method16() {} /// 16: ok
-  method17() {} /// 17: static type warning
-  method18() {} /// 18: continued
-  var member19; /// 19: static type warning
-  var member20; /// 20: static type warning
-  var member21; /// 21: static type warning
-  get member22 => 0; /// 22: static type warning
-  set member23(_) {} /// 23: static type warning
-  var member24; /// 24: static type warning
-  var field25; /// 25: static type warning
-  var member26; /// 26: static type warning
+  method10() {} //# 10: continued
+  get getter11 => 0; //# 11: continued
+  set setter12(_) {} //# 12: continued
+  var field13; //# 13: continued
+  var field14; //# 14: continued
+  method15() {} //# 15: ok
+  method16() {} //# 16: ok
+  method17() {} //# 17: static type warning
+  method18() {} //# 18: continued
+  var member19; //# 19: static type warning
+  var member20; //# 20: static type warning
+  var member21; //# 21: static type warning
+  get member22 => 0; //# 22: static type warning
+  set member23(_) {} //# 23: static type warning
+  var member24; //# 24: static type warning
+  var field25; //# 25: static type warning
+  var member26; //# 26: static type warning
 }
 
 abstract class J {
-  get member20 => null; /// 20: continued
-  set member20(_) {} /// 20: continued
-  var member21; /// 21: continued
+  get member20 => null; //# 20: continued
+  set member20(_) {} //# 20: continued
+  var member21; //# 21: continued
 }
 
 class Class extends A implements I, J {
-  method1() {} /// 01: continued
-  method2(); /// 02: static type warning
-  get getter3; /// 03: static type warning
-  set setter4(_); /// 04: static type warning
-  method5() {} /// 05: continued
-  method6([a]) {} /// 06: continued
-  set field13(_) {} /// 13: continued
-  get field14 => 0; /// 14: continued
-  method15() {} /// 15: continued
-  method16([a]) {} /// 16: continued
-  get member24 => 0; /// 24: continued
-  final field25 = 0; /// 25: continued
-  set member26(_) {} /// 26: continued
-  method27(); /// 27: continued
+  method1() {} //# 01: continued
+  method2(); //# 02: static type warning
+  get getter3; //# 03: static type warning
+  set setter4(_); //# 04: static type warning
+  method5() {} //# 05: continued
+  method6([a]) {} //# 06: continued
+  set field13(_) {} //# 13: continued
+  get field14 => 0; //# 14: continued
+  method15() {} //# 15: continued
+  method16([a]) {} //# 16: continued
+  get member24 => 0; //# 24: continued
+  final field25 = 0; //# 25: continued
+  set member26(_) {} //# 26: continued
+  method27(); //# 27: continued
 }
 
 main() {