JsApiReporter reports nested suites correctly.

Runner#topLevelSuites() returns only top level suites.
Suite#specs(), Suite#suites(), and Suite#children() return immediate children.

src/Runner.js

@@ -58,11 +58,20 @@ jasmine.Runner.prototype.specs = function () {
   return specs;
 };
 
-
 jasmine.Runner.prototype.suites = function() {
   return this.suites_;
 };
 
+jasmine.Runner.prototype.topLevelSuites = function() {
+  var topLevelSuites = [];
+  for (var i = 0; i < this.suites_.length; i++) {
+    if (!this.suites_[i].parentSuite) {
+      topLevelSuites.push(this.suites_[i]);
+    }
+  }
+  return topLevelSuites;
+};
+
 jasmine.Runner.prototype.results = function() {
   return this.queue.results();
 };