Update method names in FragmentsRendering

Closes gh-33974

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ModelAndViewMethodReturnValueHandlerTests.java

@@ -91,7 +91,7 @@ class ModelAndViewMethodReturnValueHandlerTests {
 
 	@Test
 	void handleFragmentsRendering() throws Exception {
-		FragmentsRendering rendering = FragmentsRendering.with("viewName").build();
+		FragmentsRendering rendering = FragmentsRendering.fragment("viewName").build();
 
 		handler.handleReturnValue(rendering, returnParamModelAndView, mavContainer, webRequest);
 		assertThat(mavContainer.getView()).isInstanceOf(SmartView.class);

spring-webmvc/src/test/java/org/springframework/web/servlet/view/DefaultFragmentsRenderingTests.java

@@ -56,7 +56,8 @@ public class DefaultFragmentsRenderingTests {
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		MockHttpServletResponse response = new MockHttpServletResponse();
 
-		FragmentsRendering view = FragmentsRendering.with("fragment1", Map.of("foo", "Foo"))
+		FragmentsRendering view = FragmentsRendering
+				.fragment("fragment1", Map.of("foo", "Foo"))
 				.fragment("fragment2", Map.of("bar", "Bar"))
 				.header("headerName", "headerValue")
 				.build();