Assign keymaps in Atom environment constructor

src/atom.coffee

@@ -168,6 +168,10 @@ class Atom extends Model
     Config = require './config'
     @config = new Config({configDirPath, resourcePath, notificationManager: @notifications})
 
+    KeymapManager = require './keymap-extensions'
+    @keymaps = new KeymapManager({configDirPath, resourcePath, notificationManager: @notifications})
+
+
   reset: ->
     @config.reset()
 
@@ -204,7 +208,6 @@ class Atom extends Model
 
     @loadTime = null
 
-    KeymapManager = require './keymap-extensions'
     ViewRegistry = require './view-registry'
     CommandRegistry = require './command-registry'
     TooltipManager = require './tooltip-manager'
@@ -227,7 +230,6 @@ class Atom extends Model
     # Make react.js faster
     process.env.NODE_ENV ?= 'production' unless devMode
 
-    @keymaps = new KeymapManager({configDirPath, resourcePath})
     @keymaps.subscribeToFileReadFailure()
     @tooltips = new TooltipManager
     @commands = new CommandRegistry

src/keymap-extensions.coffee

@@ -41,11 +41,11 @@ KeymapManager::loadUserKeymap = ->
         [this document][watches] for more info.
         [watches]:https://github.com/atom/atom/blob/master/docs/build-instructions/linux.md#typeerror-unable-to-watch-path
       """
-      atom.notifications.addError(message, {dismissable: true})
+      @notificationManager.addError(message, {dismissable: true})
     else
       detail = error.path
       stack = error.stack
-      atom.notifications.addFatalError(error.message, {detail, stack, dismissable: true})
+      @notificationManager.addFatalError(error.message, {detail, stack, dismissable: true})
 
 KeymapManager::subscribeToFileReadFailure = ->
   @onDidFailToReadFile (error) =>
@@ -57,6 +57,6 @@ KeymapManager::subscribeToFileReadFailure = ->
     else
       error.message
 
-    atom.notifications.addError(message, {detail, dismissable: true})
+    @notificationManager.addError(message, {detail, dismissable: true})
 
 module.exports = KeymapManager