Bug 879246 - Fix intermittent failure in test_sourcemaps-02.js. r=past

toolkit/devtools/server/tests/unit/test_sourcemaps-02.js

@@ -35,23 +35,18 @@ function test_simple_source_map()
 
   let numNewSources = 0;
 
-  gClient.addListener("newSource", function _onNewSource(aEvent, aPacket) {
-    if (++numNewSources !== 3) {
-      return;
-    }
-    gClient.removeListener("newSource", _onNewSource);
-
+  gClient.addOneTimeListener("paused", function (aEvent, aPacket) {
     gThreadClient.getSources(function (aResponse) {
       do_check_true(!aResponse.error, "Should not get an error");
 
       for (let s of aResponse.sources) {
-        do_check_true(expectedSources.has(s.url),
-                      "The source's url should be one of our original sources");
+        do_check_neq(s.url, "http://example.com/www/js/abc.js",
+                     "Shouldn't get the generated source's url.")
         expectedSources.delete(s.url);
       }
 
       do_check_eq(expectedSources.size, 0,
-                  "Shouldn't be expecting any more sources");
+                  "Should have found all the expected sources sources by now.");
 
       finishClient(gClient);
     });
@@ -61,6 +56,7 @@ function test_simple_source_map()
     new SourceNode(1, 0, "a.js", "function a() { return 'a'; }\n"),
     new SourceNode(1, 0, "b.js", "function b() { return 'b'; }\n"),
     new SourceNode(1, 0, "c.js", "function c() { return 'c'; }\n"),
+    "debugger;\n"
   ])).toStringWithSourceMap({
     file: "abc.js",
     sourceRoot: "http://example.com/www/js/"