diff --git a/Gemfile b/Gemfile
index b6fe800..fe70c7d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -48,6 +48,7 @@ gem 'cuprite'
 gem 'rspec_junit_formatter'
 gem 'rspec-rails'
 gem 'simplecov', require: false
+gem 'super_diff'
 
 # Linters
 gem 'fasterer'
diff --git a/spec/page_objects/shared/quill_editor.rb b/spec/page_objects/shared/quill_editor.rb
index a46b7c9..6272184 100644
--- a/spec/page_objects/shared/quill_editor.rb
+++ b/spec/page_objects/shared/quill_editor.rb
@@ -16,6 +16,11 @@ module Shared
       @content_element ||= find("#{selector} .ql-editor")
     end
 
+    def open_dropdown(dropdown)
+      find("#{toolbar_selector} .ql-#{dropdown} .ql-picker-label").click
+      self
+    end
+
     def toggle_bold
       find("#{toolbar_selector} button.ql-bold").click
     end
@@ -31,5 +36,29 @@ module Shared
     def toggle_link
       find("#{toolbar_selector} button.ql-link").click
     end
+
+    def toggle_blockquote
+      find("#{toolbar_selector} button.ql-blockquote").click
+    end
+
+    def toggle_code_block
+      find("#{toolbar_selector} button.ql-code-block").click
+    end
+
+    def toggle_sub
+      find("#{toolbar_selector} button.ql-script[value='sub']").click
+    end
+
+    def toggle_super
+      find("#{toolbar_selector} button.ql-script[value='super']").click
+    end
+
+    def toggle_align_right
+      find("#{toolbar_selector} .ql-picker-item[data-value='right']").click
+    end
+
+    def tooltip_editing
+      find("#{editor_selector} .ql-tooltip.ql-editing")
+    end
   end
 end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 72a7e92..a49a438 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -1,12 +1,14 @@
 # frozen_string_literal: true
 
-require_relative 'spec_helper'
+require 'super_diff/rspec'
 
 require 'zeitwerk'
 loader = Zeitwerk::Loader.new
 loader.push_dir("#{__dir__}/page_objects")
 loader.setup
 
+require_relative 'spec_helper'
+
 ENV['RAILS_ENV'] = 'test'
 
 require 'simplecov'
@@ -21,8 +23,6 @@ require 'capybara/rails'
 
 Dir[File.expand_path('support/**/*.rb', __dir__)].each { |f| require_relative f }
 
-# Checks for pending migrations and applies them before tests are run.
-# If you are not using ActiveRecord, you can remove these lines.
 begin
   ActiveRecord::Migration.maintain_test_schema!
 rescue ActiveRecord::PendingMigrationError => e
diff --git a/spec/system/quill_editor_spec.rb b/spec/system/quill_editor_spec.rb
index f0c5a73..e572ddb 100644
--- a/spec/system/quill_editor_spec.rb
+++ b/spec/system/quill_editor_spec.rb
@@ -29,17 +29,48 @@ RSpec.describe 'Quill editor' do
     end
 
     it 'edits some content using the editor' do
-      editor << :return << 'More content'
+      editor.select_all
+      editor.toggle_link
+      editor.tooltip_editing.send_keys(["https://blocknot.es", :return])
+
+      editor << :right << :return << 'More content'
       editor.toggle_bold
       editor << 'Some bold'
       editor.toggle_italic
       editor << 'Some italic'
       editor.toggle_underline
-      editor << 'Some underline'
+      editor << 'Some underline' << :return
+
+      editor.toggle_blockquote
+      editor << 'blockquote enabled' << :return
+      editor.toggle_blockquote
+
+      editor.toggle_code_block
+      editor << 'code block enabled' << :return
+      editor.toggle_code_block
+
+      editor << "Some text"
+      editor.toggle_sub
+      editor << "sub text"
+      editor.toggle_sub
+      editor << " More text"
+      editor.toggle_super
+      editor << "sup text"
+      editor.toggle_super
+      editor << :return
+
+      editor.open_dropdown(:align).toggle_align_right
+      editor << "Text aligned on the right"
 
       expect(editor.content).to eq <<~HTML.clean_multiline
-        <p>Some content</p>
+        <p><a href="https://blocknot.es" rel="noopener noreferrer" target="_blank">Some content</a></p>
         <p>More content<strong>Some bold<em>Some italic<u>Some underline</u></em></strong></p>
+        <blockquote>blockquote enabled</blockquote>
+        <div class="ql-code-block-container" spellcheck="false">
+          <div class="ql-code-block">code block enabled</div>
+        </div>
+        <p>Some text<sub>sub text</sub> More text<sup>sup text</sup></p>
+        <p class="ql-align-right">Text aligned on the right</p>
       HTML
     end