#1058 - Migrate off deprecated Spring APIs.

src/test/java/org/springframework/hateoas/mediatype/collectionjson/CollectionJsonWebFluxIntegrationTest.java

@@ -142,7 +142,7 @@ class CollectionJsonWebFluxIntegrationTest {
 
 		this.testClient.post().uri("http://localhost/employees") //
 				.contentType(MediaTypes.COLLECTION_JSON) //
-				.syncBody(specBasedJson) //
+				.bodyValue(specBasedJson) //
 				.exchange() //
 				.expectStatus().isCreated() //
 				.expectHeader().valueEquals(HttpHeaders.LOCATION, "http://localhost/employees/2");

src/test/java/org/springframework/hateoas/mediatype/hal/forms/HalFormsWebFluxIntegrationTest.java

@@ -122,7 +122,7 @@ class HalFormsWebFluxIntegrationTest {
 		String specBasedJson = MappingUtils.read(new ClassPathResource("new-employee.json", getClass()));
 
 		this.testClient.post().uri("http://localhost/employees").contentType(MediaTypes.HAL_FORMS_JSON)
-				.syncBody(specBasedJson) //
+				.bodyValue(specBasedJson) //
 				.exchange() //
 				.expectStatus().isCreated() //
 				.expectHeader().valueEquals(HttpHeaders.LOCATION, "http://localhost/employees/2");

src/test/java/org/springframework/hateoas/mediatype/uber/UberWebFluxIntegrationTest.java

@@ -191,7 +191,7 @@ class UberWebFluxIntegrationTest {
 
 		this.testClient.post().uri("http://localhost/employees") //
 				.contentType(MediaTypes.UBER_JSON) //
-				.syncBody(input) //
+				.bodyValue(input) //
 				.exchange() //
 				.expectStatus().isCreated() //
 				.expectHeader().valueEquals(HttpHeaders.LOCATION, "http://localhost/employees/2");