fix(composer): fix popout composer and add spec

internal_packages/composer/lib/composer-view.cjsx

@@ -575,9 +575,6 @@ class ComposerView extends React.Component
 
     @_saveToHistory(selections) unless source.fromUndoManager
 
-  _popoutComposer: =>
-    Actions.composePopoutDraft @props.draftClientId
-
   _sendDraft: (options = {}) =>
     return unless @_proxy
 

internal_packages/composer/lib/expanded-participants.cjsx

@@ -2,6 +2,7 @@ _ = require 'underscore'
 React = require 'react'
 AccountContactField = require './account-contact-field'
 ParticipantsTextField = require './participants-text-field'
+{Actions} = require 'nylas-exports'
 {RetinaImg} = require 'nylas-component-kit'
 
 Fields = require './fields'
@@ -160,6 +161,9 @@ class ExpandedParticipants extends React.Component
       hide: [Fields.Cc]
       focus: Fields.To
 
+  _popoutComposer: =>
+    Actions.composePopoutDraft @props.draftClientId
+
   _onEmptyBcc: =>
     if Fields.Cc in @props.enabledFields
       focus = Fields.Cc

internal_packages/composer/spec/expanded-participants-spec.cjsx

@@ -4,6 +4,7 @@ Fields = require '../lib/fields'
 ReactTestUtils = React.addons.TestUtils
 AccountContactField = require '../lib/account-contact-field'
 ExpandedParticipants = require '../lib/expanded-participants'
+{Actions} = require 'nylas-exports'
 
 describe "ExpandedParticipants", ->
   makeField = (props={}) ->
@@ -69,6 +70,14 @@ describe "ExpandedParticipants", ->
     els = ReactTestUtils.scryRenderedDOMComponentsWithClass(@fields, "show-popout")
     expect(els.length).toBe 0
 
+  it "pops out the composer when clicked", ->
+    spyOn(Actions, "composePopoutDraft")
+    makeField.call(@, mode: "inline")
+    el = ReactTestUtils.findRenderedDOMComponentWithClass(@fields, "show-popout")
+    ReactTestUtils.Simulate.click(React.findDOMNode(el))
+    expect(Actions.composePopoutDraft).toHaveBeenCalled()
+    expect(Actions.composePopoutDraft.calls.length).toBe 1
+
   it "shows and focuses cc when clicked", ->
     makeField.call(@)
     el = ReactTestUtils.findRenderedDOMComponentWithClass(@fields, "show-cc")