Fix some rubocop issues manually

src/api/spec/features/webui/projects_spec.rb

@@ -23,7 +23,7 @@
         login user
         visit project_show_path(project: project)
 
-        click_on('Edit')
+        click_link('Edit')
         expect(page).to have_text("Edit Project #{project}")
 
         fill_in 'project_title', with: 'My Title hopefully got changed'
@@ -47,7 +47,7 @@
         login user
         visit project_show_path(project: project)
 
-        click_on('Edit')
+        click_link('Edit')
         expect(page).to have_text("Edit Project #{project}")
 
         fill_in 'project_title', with: 'My Title hopefully got changed'

src/api/spec/features/webui/requests_spec.rb

@@ -399,7 +399,7 @@
     it 'does not set stage information for submit request' do
       login submitter
       visit request_show_path(bs_request)
-      click_on('Add Reviewer')
+      click_button('Add Reviewer')
       within '#add-reviewer-modal' do
         select 'Project Maintainers', from: 'review_type'
         fill_in 'Project', with: staging_project.name
@@ -426,7 +426,7 @@
     it 'shows staging request information' do
       login staging_user
       visit request_show_path(staging_request)
-      click_on('Add Reviewer')
+      click_button('Add Reviewer')
       within '#add-reviewer-modal' do
         select 'Project Maintainers', from: 'review_type'
         fill_in 'Project', with: staging_project.name

src/api/spec/features/webui/watchlists_spec.rb

@@ -11,7 +11,7 @@
     login user
 
     visit project_show_path(project: project_a)
-    click_on('Watchlist')
+    click_link('Watchlist')
     expect(page).to have_content('Projects you are watching')
     expect(page).to have_content('There are no projects in the watchlist yet')
     expect(page).to have_content('There are no packages in the watchlist yet')
@@ -27,7 +27,7 @@
 
     # Add another project
     visit project_show_path(project: project_b)
-    click_on('Watchlist')
+    click_link('Watchlist')
     click_link('Watch this project')
     within('.watchlist-collapse') do
       expect(page).to have_content('Remove this project from Watchlist')
@@ -37,7 +37,7 @@
 
     # Add package
     visit package_show_path(project: project_a.name, package: package.name)
-    click_on('Watchlist')
+    click_link('Watchlist')
     click_link('Watch this package')
     within('.watchlist-collapse') do
       expect(page).to have_content('Remove this package from Watchlist')
@@ -48,7 +48,7 @@
 
     # Add request
     visit request_show_path(number: request.number)
-    click_on('Watchlist')
+    click_link('Watchlist')
     click_link('Watch this request')
     within('.watchlist-collapse') do
       expect(page).to have_content('Remove this request from Watchlist')