Fix devise integration tests

* Fix usr.login for AppSec Events kit

Author: Strech

lib/datadog/kit/appsec/events.rb

@@ -33,7 +33,10 @@ def track_login_success(trace = nil, span = nil, user:, **others)
 
               raise ArgumentError, 'missing required key: :user => { :id }' if user_id.nil?
 
-              others['usr.login'] ||= user_options.fetch(:login, user_id)
+              if !others.key?('usr.login') && !others.key?(:'usr.login')
+                others['usr.login'] = user_options.fetch(:login, user_id)
+              end
+
               track(LOGIN_SUCCESS_EVENT, active_trace, active_span, **others)
 
               Kit::Identity.set_user(active_trace, active_span, id: user_id, **user_options)
@@ -56,7 +59,7 @@ def track_login_success(trace = nil, span = nil, user:, **others)
           #   event information to attach to the trace.
           def track_login_failure(trace = nil, span = nil, user_exists:, user_id: nil, **others)
             set_trace_and_span_context('track_login_failure', trace, span) do |active_trace, active_span|
-              others['usr.login'] ||= user_id if user_id
+              others['usr.login'] = user_id if user_id && !others.key?('usr.login') && !others.key?(:'usr.login')
               track(LOGIN_FAILURE_EVENT, active_trace, active_span, **others)
 
               active_span.set_tag('appsec.events.users.login.failure.usr.id', user_id) if user_id

spec/datadog/appsec/contrib/integration/devise/signin_multi_user_tracking_spec.rb

@@ -224,7 +224,7 @@ def index
     before do
       Admin.create!(username: 'JohnDoe', email: 'john.doe@example.com', password: '123456')
 
-      post('/admins/sign_in', { user: { email: 'john.doe@example.com', password: '123456' } })
+      post('/admins/sign_in', { admin: { email: 'john.doe@example.com', password: '123456' } })
     end
 
     it 'tracks successfull login event' do