--- old/test/lib/jdk/test/lib/Platform.java	2019-07-17 14:12:24.272660707 +0200
+++ new/test/lib/jdk/test/lib/Platform.java	2019-07-17 14:12:23.928660062 +0200
@@ -33,6 +33,12 @@
 import java.security.PrivilegedExceptionAction;
 
 public class Platform {
+    // Use this property to specify docker location on your system.
+    // E.g.: "/usr/local/bin/docker". We define this constant here so
+    // that it can be used in VMProps as well which checks docker support
+    // via this command
+    public static final String DOCKER_COMMAND =
+        System.getProperty("jdk.test.docker.command", "docker");
     public  static final String vmName      = privilegedGetProperty("java.vm.name");
     public  static final String vmInfo      = privilegedGetProperty("java.vm.info");
     private static final String osVersion   = privilegedGetProperty("os.version");