diff --git a/spring-web/src/test/java/org/springframework/http/server/reactive/AbstractHttpHandlerIntegrationTests.java b/spring-web/src/test/java/org/springframework/http/server/reactive/AbstractHttpHandlerIntegrationTests.java
index e6abf87f7d..830e9ad38b 100644
--- a/spring-web/src/test/java/org/springframework/http/server/reactive/AbstractHttpHandlerIntegrationTests.java
+++ b/spring-web/src/test/java/org/springframework/http/server/reactive/AbstractHttpHandlerIntegrationTests.java
@@ -16,7 +16,6 @@
 
 package org.springframework.http.server.reactive;
 
-import java.io.File;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -125,11 +124,10 @@ public abstract class AbstractHttpHandlerIntegrationTests {
 	}
 
 	static Stream<HttpServer> httpServers() {
-		File base = new File(System.getProperty("java.io.tmpdir"));
 		return Stream.of(
 				new JettyHttpServer(),
 				new ReactorHttpServer(),
-				new TomcatHttpServer(base.getAbsolutePath()),
+				new TomcatHttpServer(),
 				new UndertowHttpServer()
 		);
 	}
diff --git a/spring-web/src/test/java/org/springframework/http/server/reactive/bootstrap/TomcatHttpServer.java b/spring-web/src/test/java/org/springframework/http/server/reactive/bootstrap/TomcatHttpServer.java
index 0cbc79c37f..fb34b471cf 100644
--- a/spring-web/src/test/java/org/springframework/http/server/reactive/bootstrap/TomcatHttpServer.java
+++ b/spring-web/src/test/java/org/springframework/http/server/reactive/bootstrap/TomcatHttpServer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -42,6 +42,15 @@ public class TomcatHttpServer extends AbstractHttpServer {
 	private Tomcat tomcatServer;
 
 
+	/**
+	 * Create a new Tomcat HTTP server using the {@code java.io.tmpdir} JVM
+	 * system property as the {@code baseDir}.
+	 * @since 5.2
+	 */
+	public TomcatHttpServer() {
+		this(new File(System.getProperty("java.io.tmpdir")).getAbsolutePath());
+	}
+
 	public TomcatHttpServer(String baseDir) {
 		this(baseDir, null);
 	}
diff --git a/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/ContextPathIntegrationTests.java b/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/ContextPathIntegrationTests.java
index 2eb722eac8..8e1d40d2dd 100644
--- a/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/ContextPathIntegrationTests.java
+++ b/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/ContextPathIntegrationTests.java
@@ -15,7 +15,6 @@
  */
 package org.springframework.web.reactive.result.method.annotation;
 
-import java.io.File;
 
 import org.junit.jupiter.api.Test;
 
@@ -84,8 +83,7 @@ public class ContextPathIntegrationTests {
 		context.register(WebAppConfig.class);
 		context.refresh();
 
-		File base = new File(System.getProperty("java.io.tmpdir"));
-		TomcatHttpServer server = new TomcatHttpServer(base.getAbsolutePath());
+		TomcatHttpServer server = new TomcatHttpServer();
 		server.setContextPath("/app");
 		server.setServletMapping("/api/*");
 
diff --git a/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/SseIntegrationTests.java b/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/SseIntegrationTests.java
index fdc39904b4..8e7019904f 100644
--- a/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/SseIntegrationTests.java
+++ b/spring-webflux/src/test/java/org/springframework/web/reactive/result/method/annotation/SseIntegrationTests.java
@@ -16,7 +16,6 @@
 
 package org.springframework.web.reactive.result.method.annotation;
 
-import java.io.File;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -71,14 +70,13 @@ class SseIntegrationTests extends AbstractHttpHandlerIntegrationTests {
 	}
 
 	static Object[][] arguments() {
-		File base = new File(System.getProperty("java.io.tmpdir"));
 		return new Object[][] {
 			{new JettyHttpServer(), new ReactorClientHttpConnector()},
 			{new JettyHttpServer(), new JettyClientHttpConnector()},
 			{new ReactorHttpServer(), new ReactorClientHttpConnector()},
 			{new ReactorHttpServer(), new JettyClientHttpConnector()},
-			{new TomcatHttpServer(base.getAbsolutePath()), new ReactorClientHttpConnector()},
-			{new TomcatHttpServer(base.getAbsolutePath()), new JettyClientHttpConnector()},
+			{new TomcatHttpServer(), new ReactorClientHttpConnector()},
+			{new TomcatHttpServer(), new JettyClientHttpConnector()},
 			{new UndertowHttpServer(), new ReactorClientHttpConnector()},
 			{new UndertowHttpServer(), new JettyClientHttpConnector()}
 		};