remove validation and add specs

spec/features/user_managing_task_requests_spec.rb

@@ -91,6 +91,21 @@ feature "User managing task requests" do
     expect(page).to have_content add_new_project_label
   end
 
+  scenario "user can click Chat Now and start chat event with a blank form" do
+    visit project_task_requests_path(project)
+
+    click_on create_task_request
+
+    expect(page).to have_content chat_now_button
+    expect(page).to have_content form_notice
+
+    expect do
+      click_on chat_now_button
+    end.to change(TaskRequest, :count).by(1)
+
+    expect(page).to have_content task_request_created_notice
+  end
+
   private
 
   def no_task_requests_label
@@ -120,4 +135,20 @@ feature "User managing task requests" do
   def schedule_demo
     t 'task_requests.splash.actions.book_demo'
   end
+
+  def create_task_request
+    t 'task_requests.index.actions.new'
+  end
+
+  def chat_now_button
+    t 'task_requests.form.actions.chat_now'
+  end
+
+  def form_notice
+    t 'task_requests.form.info_message'
+  end
+
+  def task_request_created_notice
+    t 'task_requests.create.success_message'
+  end
 end