Add convenient request/response accessors on MvcTestResult

Closes gh-32846

Author: snicoll

spring-test/src/main/java/org/springframework/test/web/servlet/assertj/DefaultMvcTestResult.java

@@ -18,8 +18,6 @@
 
 import org.springframework.http.converter.GenericHttpMessageConverter;
 import org.springframework.lang.Nullable;
-import org.springframework.mock.web.MockHttpServletRequest;
-import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.test.web.servlet.MvcResult;
 
 /**
@@ -64,14 +62,6 @@ public Exception getUnresolvedException() {
 		return this.unresolvedException;
 	}
 
-	public MockHttpServletRequest getRequest() {
-		return getMvcResult().getRequest();
-	}
-
-	public MockHttpServletResponse getResponse() {
-		return getMvcResult().getResponse();
-	}
-
 	@Nullable
 	public Exception getResolvedException() {
 		return getMvcResult().getResolvedException();

spring-test/src/main/java/org/springframework/test/web/servlet/assertj/MvcTestResult.java

@@ -19,6 +19,8 @@
 import org.assertj.core.api.AssertProvider;
 
 import org.springframework.lang.Nullable;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.test.web.servlet.MvcResult;
 
 /**
@@ -53,6 +55,21 @@ public interface MvcTestResult extends AssertProvider<MvcTestResultAssert> {
 	 */
 	MvcResult getMvcResult();
 
+	/**
+	 * Return the performed {@linkplain  MockHttpServletRequest request}.
+	 */
+	default MockHttpServletRequest getRequest() {
+		return getMvcResult().getRequest();
+	}
+
+	/**
+	 * Return the resulting {@linkplain  MockHttpServletResponse response}.
+	 */
+	default MockHttpServletResponse getResponse() {
+		return getMvcResult().getResponse();
+	}
+
+
 	/**
 	 * Return the exception that was thrown unexpectedly while processing the
 	 * request, if any.

spring-test/src/main/java/org/springframework/test/web/servlet/assertj/MvcTestResultAssert.java

@@ -55,8 +55,7 @@ public class MvcTestResultAssert extends AbstractMockHttpServletResponseAssert<M
 
 	@Override
 	protected MockHttpServletResponse getResponse() {
-		getMvcResult();
-		return this.actual.getMvcResult().getResponse();
+		return getMvcResult().getResponse();
 	}
 
 	/**