Upgrade to Reactor Aluminium SNAPSHOT

build.gradle

@@ -79,7 +79,7 @@ configure(allprojects) { project ->
 	ext.poiVersion             = "3.15"
 	ext.protobufVersion        = "3.1.0"
 	ext.quartzVersion          = "2.2.3"
-	ext.reactorVersion         = "Aluminium-RELEASE"
+	ext.reactorVersion         = "Aluminium-BUILD-SNAPSHOT"
 	ext.romeVersion            = "1.7.0"
 	ext.rxjavaVersion          = '1.2.5'
 	ext.rxjavaAdapterVersion   = '1.2.1'

spring-web/src/test/java/org/springframework/http/server/reactive/AsyncIntegrationTests.java

@@ -63,7 +63,7 @@ public class AsyncIntegrationTests extends AbstractHttpHandlerIntegrationTests {
 		@Override
 		public Mono<Void> handle(ServerHttpRequest request, ServerHttpResponse response) {
 			return response.writeWith(Flux.just("h", "e", "l", "l", "o")
-										.delay(Duration.ofMillis(100))
+										.delayElements(Duration.ofMillis(100))
 										.publishOn(asyncGroup)
 					.collect(dataBufferFactory::allocateBuffer, (buffer, str) -> buffer.write(str.getBytes())));
 		}