Fix some deprecations

See gh-20388

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/server/MetricsWebFilterTests.java

@@ -69,7 +69,7 @@ class MetricsWebFilterTests {
 		MockServerWebExchange exchange = createExchange("/projects/spring-boot", "/projects/{project}");
 		this.webFilter.filter(exchange, (serverWebExchange) -> Mono.error(new IllegalStateException("test error")))
 				.onErrorResume((t) -> {
-					exchange.getResponse().setStatusCodeValue(500);
+					exchange.getResponse().setRawStatusCode(500);
 					return exchange.getResponse().setComplete();
 				}).block(Duration.ofSeconds(30));
 		assertMetricsContainsTag("uri", "/projects/{project}");
@@ -84,7 +84,7 @@ class MetricsWebFilterTests {
 
 		MockServerWebExchange exchange = createExchange("/projects/spring-boot", "/projects/{project}");
 		this.webFilter.filter(exchange, (serverWebExchange) -> Mono.error(anonymous)).onErrorResume((t) -> {
-			exchange.getResponse().setStatusCodeValue(500);
+			exchange.getResponse().setRawStatusCode(500);
 			return exchange.getResponse().setComplete();
 		}).block(Duration.ofSeconds(30));
 		assertMetricsContainsTag("uri", "/projects/{project}");
@@ -96,7 +96,7 @@ class MetricsWebFilterTests {
 	void filterAddsTagsToRegistryForExceptionsAndCommittedResponse() {
 		MockServerWebExchange exchange = createExchange("/projects/spring-boot", "/projects/{project}");
 		this.webFilter.filter(exchange, (serverWebExchange) -> {
-			exchange.getResponse().setStatusCodeValue(500);
+			exchange.getResponse().setRawStatusCode(500);
 			return exchange.getResponse().setComplete().then(Mono.error(new IllegalStateException("test error")));
 		}).onErrorResume((t) -> Mono.empty()).block(Duration.ofSeconds(30));
 		assertMetricsContainsTag("uri", "/projects/{project}");

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/server/WebFluxTagsTests.java

@@ -75,7 +75,7 @@ class WebFluxTagsTests {
 
 	@Test
 	void uriTagToleratesCustomResponseStatus() {
-		this.exchange.getResponse().setStatusCodeValue(601);
+		this.exchange.getResponse().setRawStatusCode(601);
 		Tag tag = WebFluxTags.uri(this.exchange);
 		assertThat(tag.getValue()).isEqualTo("root");
 	}
@@ -169,14 +169,14 @@ class WebFluxTagsTests {
 
 	@Test
 	void outcomeTagIsClientErrorWhenResponseIsNonStandardInClientSeries() {
-		this.exchange.getResponse().setStatusCodeValue(490);
+		this.exchange.getResponse().setRawStatusCode(490);
 		Tag tag = WebFluxTags.outcome(this.exchange);
 		assertThat(tag.getValue()).isEqualTo("CLIENT_ERROR");
 	}
 
 	@Test
 	void outcomeTagIsUnknownWhenResponseStatusIsInUnknownSeries() {
-		this.exchange.getResponse().setStatusCodeValue(701);
+		this.exchange.getResponse().setRawStatusCode(701);
 		Tag tag = WebFluxTags.outcome(this.exchange);
 		assertThat(tag.getValue()).isEqualTo("UNKNOWN");
 	}

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/reactive/server/AbstractReactiveWebServerFactoryTests.java

@@ -149,7 +149,7 @@ public abstract class AbstractReactiveWebServerFactoryTests {
 				.clientConnector(connector).build();
 
 		Mono<String> result = client.post().uri("/test").contentType(MediaType.TEXT_PLAIN)
-				.body(BodyInserters.fromObject("Hello World")).exchange()
+				.body(BodyInserters.fromValue("Hello World")).exchange()
 				.flatMap((response) -> response.bodyToMono(String.class));
 
 		StepVerifier.setDefaultTimeout(Duration.ofSeconds(30));