Fix flaky system specs

spec/system/account_request_system_spec.rb

@@ -35,12 +35,14 @@
 
       expect(AccountRequest.count).to eq(0)
 
-      expect { click_button 'Submit' }.to change(AccountRequest, :count).by(1)
+      click_button 'Submit'
 
-      created_account_request = AccountRequest.last
-
-      # Request Received
+      # Wait for the redirect before asserting on the count, otherwise the
+      # async form submission may not have been processed yet.
       expect(page).to have_content('Request Received!')
+      expect(AccountRequest.count).to eq(1)
+
+      created_account_request = AccountRequest.last
       expect(page).to have_content("We've sent you a email with instructions on next steps at #{created_account_request.email}!")
 
       # Access link within email they would have received

spec/system/partner_system_spec.rb

@@ -766,9 +766,10 @@ def post_refresh
             visit partners_path
 
             click_on 'Groups'
-            assert page.has_content? existing_partner_group.name, wait: page_content_wait
-
-            click_on 'Edit'
+            within '#nav-partner-groups', wait: page_content_wait do
+              assert page.has_content? existing_partner_group.name
+              click_on 'Edit'
+            end
             post_refresh
           end