Move JavaUtilLoggingConfigurer to spring-core test fixtures

See gh-23550

spring-core/spring-core.gradle

@@ -60,11 +60,12 @@ dependencies {
 	testCompile("javax.xml.bind:jaxb-api")
 	testCompile("com.fasterxml.woodstox:woodstox-core")
 	testCompile(project(":kotlin-coroutines"))
-	testFixturesApi("org.junit.jupiter:junit-jupiter-api")
-	testFixturesApi("org.junit.jupiter:junit-jupiter-params")
 	testFixturesImplementation("com.google.code.findbugs:jsr305")
 	testFixturesImplementation("io.projectreactor:reactor-test")
 	testFixturesImplementation("org.assertj:assertj-core")
+	testFixturesImplementation("org.junit.platform:junit-platform-launcher")
+	testFixturesImplementation("org.junit.jupiter:junit-jupiter-api")
+	testFixturesImplementation("org.junit.jupiter:junit-jupiter-params")
 	testFixturesImplementation("org.xmlunit:xmlunit-assertj")
 }
 

spring-core/src/testFixtures/java/org/springframework/core/testfixture/JavaUtilLoggingConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.web.reactive.fixtures;
+package org.springframework.core.testfixture;
 
 import java.io.InputStream;
 import java.util.logging.LogManager;

spring-webflux/spring-webflux.gradle

@@ -46,7 +46,6 @@ dependencies {
 	testCompile("org.eclipse.jetty:jetty-server")
 	testCompile("org.eclipse.jetty:jetty-servlet")
 	testCompile("org.eclipse.jetty:jetty-reactive-httpclient")
-	testCompile("org.junit.platform:junit-platform-launcher")
 	testCompile("com.squareup.okhttp3:mockwebserver")
 	testCompile("org.jetbrains.kotlin:kotlin-script-runtime")
 	testRuntime("org.jetbrains.kotlin:kotlin-scripting-jsr223-embeddable")

spring-webflux/src/test/resources/META-INF/services/org.junit.platform.launcher.TestExecutionListener

@@ -1 +1 @@
-org.springframework.web.reactive.fixtures.JavaUtilLoggingConfigurer
+org.springframework.core.testfixture.JavaUtilLoggingConfigurer