Fix failing tests

Issue gh-11952

config/src/test/kotlin/org/springframework/security/config/annotation/web/CsrfDslTests.kt

@@ -19,6 +19,8 @@ package org.springframework.security.config.annotation.web
 import io.mockk.every
 import io.mockk.mockkObject
 import io.mockk.verify
+import jakarta.servlet.http.HttpServletRequest
+import jakarta.servlet.http.HttpServletResponse
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.extension.ExtendWith
 import org.springframework.beans.factory.annotation.Autowired
@@ -37,17 +39,17 @@ import org.springframework.security.web.SecurityFilterChain
 import org.springframework.security.web.authentication.session.NullAuthenticatedSessionStrategy
 import org.springframework.security.web.authentication.session.SessionAuthenticationStrategy
 import org.springframework.security.web.csrf.CsrfTokenRepository
+import org.springframework.security.web.csrf.CsrfTokenRequestAttributeHandler
 import org.springframework.security.web.csrf.CsrfTokenRequestHandler
 import org.springframework.security.web.csrf.DefaultCsrfToken
 import org.springframework.security.web.csrf.HttpSessionCsrfTokenRepository
 import org.springframework.security.web.util.matcher.AntPathRequestMatcher
 import org.springframework.test.web.servlet.MockMvc
+import org.springframework.test.web.servlet.get
 import org.springframework.test.web.servlet.post
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RestController
 import org.springframework.web.servlet.config.annotation.EnableWebMvc
-import javax.servlet.http.HttpServletRequest
-import javax.servlet.http.HttpServletResponse
 
 /**
  * Tests for [CsrfDsl]
@@ -360,9 +362,7 @@ class CsrfDslTests {
     open class RequestHandlerConfig {
 
         companion object {
-            val HANDLER: CsrfTokenRequestHandler = CsrfTokenRequestHandler { request, response, _ ->
-                request.setAttribute(HttpServletResponse::class.java.name, response)
-            }
+            var HANDLER: CsrfTokenRequestHandler = CsrfTokenRequestAttributeHandler()
         }
 
         @Bean