More updates to Web testing section

See gh-19647

spring-test/src/test/java/org/springframework/test/web/servlet/samples/client/standalone/resultmatches/ModelAssertionTests.java

@@ -58,6 +58,22 @@ public class ModelAssertionTests {
 					.alwaysExpect(status().isOk())
 					.build();
 
+	@Test
+	void name() throws Exception {
+
+	EntityExchangeResult<Void> result = client.get().uri("/path")
+			.exchange()
+			.expectBody().isEmpty();
+
+	MockMvcWebTestClient.resultActionsFor(result)
+			.andExpect(model().attribute("integer", 3))
+			.andExpect(model().attribute("string", "a string value"))
+			.andExpect(model().attribute("integer", equalTo(3))) // Hamcrest...
+			.andExpect(model().attribute("string", equalTo("a string value")))
+			.andExpect(model().attribute("globalAttrName", equalTo("Global Attribute Value")));
+
+	}
+
 	@Test
 	void attributeEqualTo() throws Exception {
 		performRequest(HttpMethod.GET, "/")