diff --git a/spec/app/atom-package-spec.coffee b/spec/app/atom-package-spec.coffee
index d68359219..2f6c25061 100644
--- a/spec/app/atom-package-spec.coffee
+++ b/spec/app/atom-package-spec.coffee
@@ -18,32 +18,3 @@ describe "AtomPackage", ->
         expect(object.data).toBe 'Hello'
         expect(pack.mainModule).toBeDefined()
         expect(pack.mainModule.activateCallCount).toBe 0
-
-  describe ".activate()", ->
-    beforeEach ->
-      window.rootView = new RootView
-      packageMainModule = require 'fixtures/packages/package-with-activation-events/main'
-      spyOn(packageMainModule, 'activate').andCallThrough()
-
-    describe "when the package metadata includes activation events", ->
-      beforeEach ->
-        pack.activate()
-
-      it "defers activating the package until an activation event bubbles to the root view", ->
-        expect(packageMainModule.activate).not.toHaveBeenCalled()
-        rootView.trigger 'activation-event'
-        expect(packageMainModule.activate).toHaveBeenCalled()
-
-      it "triggers the activation event on all handlers registered during activation", ->
-        rootView.open('sample.js')
-        editor = rootView.getActiveView()
-        eventHandler = jasmine.createSpy("activation-event")
-        editor.command 'activation-event', eventHandler
-        editor.trigger 'activation-event'
-        expect(packageMainModule.activate.callCount).toBe 1
-        expect(packageMainModule.activationEventCallCount).toBe 1
-        expect(eventHandler.callCount).toBe 1
-        editor.trigger 'activation-event'
-        expect(packageMainModule.activationEventCallCount).toBe 2
-        expect(eventHandler.callCount).toBe 2
-        expect(packageMainModule.activate.callCount).toBe 1
diff --git a/spec/app/atom-spec.coffee b/spec/app/atom-spec.coffee
index bc05d7408..6680d2631 100644
--- a/spec/app/atom-spec.coffee
+++ b/spec/app/atom-spec.coffee
@@ -33,6 +33,34 @@ describe "the `atom` global", ->
             expect(config.get('package-with-config-defaults.numbers.one')).toBe 1
             expect(config.get('package-with-config-defaults.numbers.two')).toBe 2
 
+          describe "when the package metadata includes activation events", ->
+            [mainModule, pack] = []
+
+            beforeEach ->
+              mainModule = require 'package-with-activation-events/index'
+              spyOn(mainModule, 'activate').andCallThrough()
+              pack = atom.activatePackage('package-with-activation-events')
+
+            it "defers requiring/activating the main module until an activation event bubbles to the root view", ->
+              expect(pack.mainModule).toBeNull()
+              expect(mainModule.activate).not.toHaveBeenCalled()
+              rootView.trigger 'activation-event'
+              expect(mainModule.activate).toHaveBeenCalled()
+
+            it "triggers the activation event on all handlers registered during activation", ->
+              rootView.open()
+              editor = rootView.getActiveView()
+              eventHandler = jasmine.createSpy("activation-event")
+              editor.command 'activation-event', eventHandler
+              editor.trigger 'activation-event'
+              expect(mainModule.activate.callCount).toBe 1
+              expect(mainModule.activationEventCallCount).toBe 1
+              expect(eventHandler.callCount).toBe 1
+              editor.trigger 'activation-event'
+              expect(mainModule.activationEventCallCount).toBe 2
+              expect(eventHandler.callCount).toBe 2
+              expect(mainModule.activate.callCount).toBe 1
+
         describe "when the package has no main module", ->
           it "does not throw an exception", ->
             spyOn(console, "error")
diff --git a/spec/fixtures/packages/package-with-activation-events/main.coffee b/spec/fixtures/packages/package-with-activation-events/index.coffee
similarity index 86%
rename from spec/fixtures/packages/package-with-activation-events/main.coffee
rename to spec/fixtures/packages/package-with-activation-events/index.coffee
index d57ca7c24..91f2230b1 100644
--- a/spec/fixtures/packages/package-with-activation-events/main.coffee
+++ b/spec/fixtures/packages/package-with-activation-events/index.coffee
@@ -10,7 +10,5 @@ module.exports =
   activate: ->
     @activateCallCount++
     rootView.getActiveView()?.command 'activation-event', =>
+      console.log "ACTIVATION EVENT"
       @activationEventCallCount++
-
-  serialize: ->
-    previousData: 'overwritten'
diff --git a/spec/fixtures/packages/package-with-activation-events/package.cson b/spec/fixtures/packages/package-with-activation-events/package.cson
index 42d3eb78d..45d8dfea1 100644
--- a/spec/fixtures/packages/package-with-activation-events/package.cson
+++ b/spec/fixtures/packages/package-with-activation-events/package.cson
@@ -1,3 +1,2 @@
 'activationEvents': ['activation-event']
 'deferredDeserializers': ['Foo']
-'main': 'main'