[WIP][ci skip]Create feature

test/features/comment_creation_test.rb

@@ -0,0 +1,18 @@
+require "test_helper"
+
+feature "CommentCreation" do
+  scenario "User create comment to post" do
+    stub_authentication_with "alice"
+
+    visit post_path(post)
+
+    body = "Lorem ipsum dolor sit amet"
+
+    fill_in "comment_body", with: body
+    click_button "create comment"
+
+    within ".comment__body" do
+      expect(page).must_have_content "Lorem ipsum dolor sit amet"
+    end
+  end
+end