Correct import in WebMvcTestSaml2Tests

Closes gh-47149

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/servlet/mockmvc/WebMvcTestSaml2Tests.java

@@ -22,7 +22,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
 import org.springframework.test.web.servlet.MockMvc;
 
-import static org.springframework.restdocs.mockmvc.RestDocumentationRequestBuilders.get;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.redirectedUrlPattern;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;