Polish "Fix binding of spring.mongodb.representation.uuid"

See gh-47654

Author: snicoll

module/spring-boot-mongodb/src/test/java/org/springframework/boot/mongodb/autoconfigure/MongoAutoConfigurationTests.java

@@ -26,6 +26,7 @@
 import com.mongodb.client.internal.MongoClientImpl;
 import com.mongodb.connection.ClusterConnectionMode;
 import com.mongodb.connection.SslSettings;
+import org.bson.UuidRepresentation;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.autoconfigure.AutoConfigurations;
@@ -231,6 +232,13 @@ void configuresCredentialsFromUriPropertyWithAuthDatabase() {
 			});
 	}
 
+	@Test
+	void configureUUidRepresentation() {
+		this.contextRunner.withPropertyValues("spring.mongodb.representation.uuid=standard")
+			.run((context) -> assertThat(getSettings(context).getUuidRepresentation())
+				.isEqualTo(UuidRepresentation.STANDARD));
+	}
+
 	@Test
 	void configuresSingleClient() {
 		this.contextRunner.withUserConfiguration(FallbackMongoClientConfig.class)