chore: minor system specs fixes

spec/system/channel_spec.rb

@@ -2,45 +2,37 @@
 
 require "system_helper"
 
-describe "/channels/{id}", type: :system do
+describe "/channels/{id}" do
   let(:channel) { create(:channel) }
-  let(:message) { "Progress is good. Complexity is a bridge. Simplicity is the destination." }
-  let(:author) { "DHH" }
-  let(:new_message) { "hello" }
 
   before do
-    create(:message, channel: channel, content: message, author: author)
+    create(:message, channel: channel, content: "Progress is good", author: "DHH")
     visit channel_path(id: channel.id)
   end
 
   it "has message in channel" do
-    expect(page).to have_text(message)
-    expect(page).to have_text(author)
-  end
-
-  it "has form to send new message in channel" do
-    expect(page).to have_selector "form#new_message"
-    expect(page).to have_button "Send"
+    expect(page).to have_text("Progress is good")
+    expect(page).to have_text("DHH")
   end
 
   it "creates a message after form submit" do
     within "form#new_message" do
-      fill_in "message_content", with: new_message
+      fill_in "message_content", with: "Are you going to RailsConf?"
     end
 
     click_button "Send"
     visit channel_path(id: channel.id)
 
-    expect(page).to have_text(new_message)
+    expect(page).to have_text("Are you going to RailsConf?")
   end
 
   context "change channel" do
-    let!(:msg) { create(:message, channel: create(:channel)) }
+    let!(:msg) { create(:message, channel: create(:channel), content: "Another channel's message") }
 
     it "loads all messages in new channel" do
       visit root_path
       click_link(href: channel_path(id: msg.channel.id))
-      expect(page).to have_text(msg.content)
+      expect(page).to have_text("Another channel's message")
     end
   end
 end

spec/system/channels_spec.rb

@@ -2,7 +2,7 @@
 
 require "system_helper"
 
-describe "/", type: :system do
+describe "/" do
   let!(:channels) { create_pair(:channel) }
 
   before { visit root_path }