Fix test by using private_key parameter.

runtime/vm/debugger_test.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
 #include "vm/debugger.h"
 #include "vm/message.h"
 #include "vm/unit_test.h"
 
@@ skipping 137 matching lines @@
     JSONStream js;
     {
       JSONArray jsarr(&js);
       debugger->PrintBreakpointsToJSONArray(&jsarr);
     }
     ExpectSubstringF(
         js.ToCString(),
         "[{\"type\":\"Breakpoint\",\"fixedId\":true,\"id\":\"breakpoints\\/"
         "2\",\"breakpointNumber\":2,\"resolved\":false,\"location\":{\"type\":"
         "\"UnresolvedSourceLocation\",\"script\":{\"type\":\"@Script\","
-        "\"fixedId\":true,\"id\":\"libraries\\/@15247669\\/scripts\\/"
+        "\"fixedId\":true,\"id\":\"libraries\\/%s\\/scripts\\/"
         "test-lib\\/"
         "0\",\"uri\":\"test-lib\",\"_kind\":\"script\"},\"line\":3}},{\"type\":"
         "\"Breakpoint\",\"fixedId\":true,\"id\":\"breakpoints\\/"
         "1\",\"breakpointNumber\":1,\"resolved\":false,\"location\":{\"type\":"
         "\"UnresolvedSourceLocation\",\"script\":{\"type\":\"@Script\","
-        "\"fixedId\":true,\"id\":\"libraries\\/@15247669\\/scripts\\/"
+        "\"fixedId\":true,\"id\":\"libraries\\/%s\\/scripts\\/"
         "test-lib\\/"
         "0\",\"uri\":\"test-lib\",\"_kind\":\"script\"},\"line\":2}},{\"type\":"
         "\"Breakpoint\",\"fixedId\":true,\"id\":\"breakpoints\\/"
         "3\",\"breakpointNumber\":3,\"resolved\":false,\"location\":{\"type\":"
         "\"UnresolvedSourceLocation\",\"scriptUri\":\"not_yet_loaded_script_"
         "uri\",\"line\":4}}]",
         private_key.ToCString(), private_key.ToCString());
   }
 }
 
@@ skipping 329 matching lines @@
       "enter(bar1) enter(bar2) enter(bar3) enter(foo) "
       "enter(bar3) enter(foo) "
       "exit(foo) exit(bar3) exit(bar2) exit(bar1) ",
       result_cstr);
   EXPECT(saw_paused_event);
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart