diff --git a/lib/tasks/try.js b/lib/tasks/try.js
index 9e5b14e0..78bd7d55 100644
--- a/lib/tasks/try.js
+++ b/lib/tasks/try.js
@@ -22,7 +22,7 @@ module.exports = CoreObject.extend({
 
     this.ScenarioManager = new ScenarioManager({ui: this.ui, project: this.project});
     return NpmHelpers.backupNpmFile(task.project.root).then(function(){
-      BowerHelpers.backupBowerFile(task.project.root).then(function(){
+      return BowerHelpers.backupBowerFile(task.project.root).then(function(){
         return task.ScenarioManager.changeTo(scenario)
           .then(function() {
             return findEmberPath(task.project.root);
diff --git a/lib/utils/scenario-manager.js b/lib/utils/scenario-manager.js
index fc9f49f8..0508f79a 100644
--- a/lib/utils/scenario-manager.js
+++ b/lib/utils/scenario-manager.js
@@ -17,7 +17,7 @@ module.exports = CoreObject.extend({
         npmJSON.resolutions = {};
       }
       fs.writeFileSync(npmFile, JSON.stringify(manager._npmJSONForScenario(npmJSON, scenario), null, 2));
-      return NpmHelpers.install(manager.project.root);
+      // return NpmHelpers.install(manager.project.root);
     }).then(function () {
       return BowerHelpers.resetBowerFile(manager.project.root).then(function(){
         var bowerJSON = JSON.parse(fs.readFileSync(bowerFile));
@@ -28,7 +28,7 @@ module.exports = CoreObject.extend({
 
         fs.writeFileSync(bowerFile, JSON.stringify(manager._bowerJSONForScenario(bowerJSON, scenario), null, 2));
 
-        return BowerHelpers.install(manager.project.root);
+        // return BowerHelpers.install(manager.project.root);
       }).then(function(){
         manager._checkVersions(scenario);
       });
@@ -69,22 +69,22 @@ module.exports = CoreObject.extend({
     return bowerJSON;
   },
 
-  _packageJSONForScenario: function(npmJSON, scenario){
-    scenario.npmDependencies = scenario.npmDependencies || {};
-    scenario.npmResolutions = scenario.npmResolutions || {};
-    var pkgs = Object.keys(scenario.npmDependencies);
+  _npmJSONForScenario: function(npmJSON, scenario){
+    scenario.npm.dependencies = scenario.npm.dependencies || {};
+    scenario.npm.resolutions = scenario.npm.resolutions || {};
+    var pkgs = Object.keys(scenario.npm.dependencies);
 
     pkgs.forEach(function(pkg){
-      if (scenario.npmDependencies[pkg] === null) {
+      if (scenario.npm.dependencies[pkg] === null) {
         delete npmJSON.dependencies[pkg];
       } else {
-        npmJSON.dependencies[pkg] = scenario.npmDependencies[pkg];
+        npmJSON.dependencies[pkg] = scenario.npm.dependencies[pkg];
       }
 
-      if (scenario.npmResolutions && scenario.npmResolutions[pkg]) {
-        npmJSON.resolutions[pkg] = scenario.npmResolutions[pkg];
+      if (scenario.npm.resolutions && scenario.npm.resolutions[pkg]) {
+        npmJSON.resolutions[pkg] = scenario.npm.resolutions[pkg];
       } else {
-        npmJSON.resolutions[pkg] = scenario.npmDependencies[pkg];
+        npmJSON.resolutions[pkg] = scenario.npm.dependencies[pkg];
       }
     });