Make spec expectations more robust for creating an issue from a thread

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/support/shared_examples/features/resolving_discussions_in_issues_shared_examples.rb

 # frozen_string_literal: true
 
 RSpec.shared_examples 'creating an issue for a thread' do
-  it 'shows an issue with the title filled in' do
+  it 'shows an issue creation form' do
+    # Title field is filled in
     title_field = page.find_field('issue[title]')
-
     expect(title_field.value).to include(merge_request.title)
-  end
 
-  it 'has a mention of the discussion in the description' do
-    description_field = page.find_field('issue[description]')
+    # Has a hidden field for the merge request
+    merge_request_field = find('#merge_request_to_resolve_discussions_of', visible: false)
+    expect(merge_request_field.value).to eq(merge_request.iid.to_s)
 
+    # Has a mention of the discussion in the description
+    description_field = page.find_field('issue[description]')
     expect(description_field.value).to include(discussion.first_note.note)
   end
 
-  it 'can create a new issue for the project' do
+  it 'creates a new issue for the project' do
+    # Actually creates an issue for the project
     expect { click_button 'Create issue' }.to change { project.issues.reload.size }.by(1)
-  end
-
-  it 'resolves the discussion in the merge request' do
-    click_button 'Create issue'
 
+    # Resolves the discussion in the merge request
     discussion.first_note.reload
-
     expect(discussion.resolved?).to eq(true)
-  end
-
-  it 'shows a flash messaage after resolving a discussion' do
-    click_button 'Create issue'
-
-    page.within '.flash-notice' do
-      # Only check for the word 'Resolved' since the spec might have resolved
-      # multiple discussions
-      expect(page).to have_content('Resolved')
-    end
-  end
-
-  it 'has a hidden field for the merge request' do
-    merge_request_field = find('#merge_request_to_resolve_discussions_of', visible: false)
 
-    expect(merge_request_field.value).to eq(merge_request.iid.to_s)
+    # Issue title inludes MR title
+    expect(page).to have_content(%Q(Follow-up from "#{merge_request.title}"))
   end
 end