--- a/test/hotspot/jtreg/TEST.ROOT	Fri Jul 12 19:37:25 2019 +0200
+++ b/test/hotspot/jtreg/TEST.ROOT	Mon Jul 22 10:48:14 2019 +0200
@@ -35,7 +35,9 @@
 # to determine additional characteristics of the system for use with the @requires tag.
 # Note: compiled bootlibs code will be located in the folder 'bootClasses'
 requires.extraPropDefns = ../../jtreg-ext/requires/VMProps.java
-requires.extraPropDefns.bootlibs = ../../lib/sun ../../lib/jdk/test/lib/Platform.java
+requires.extraPropDefns.bootlibs = ../../lib/sun \
+    ../../lib/jdk/test/lib/Platform.java \
+    ../../lib/jdk/test/lib/Container.java
 requires.extraPropDefns.vmOpts = -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:bootClasses
 requires.properties= \
     sun.arch.data.model \

--- a/test/jdk/TEST.ROOT	Fri Jul 12 19:37:25 2019 +0200
+++ b/test/jdk/TEST.ROOT	Mon Jul 22 10:48:14 2019 +0200
@@ -37,7 +37,9 @@
 # to determine additional characteristics of the system for use with the @requires tag.
 # Note: compiled bootlibs code will be located in the folder 'bootClasses'
 requires.extraPropDefns = ../jtreg-ext/requires/VMProps.java
-requires.extraPropDefns.bootlibs = ../lib/sun ../lib/jdk/test/lib/Platform.java
+requires.extraPropDefns.bootlibs = ../lib/sun \
+    ../lib/jdk/test/lib/Platform.java \
+    ../lib/jdk/test/lib/Container.java
 requires.extraPropDefns.vmOpts = -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:bootClasses
 requires.properties= \
     sun.arch.data.model \

--- a/test/jtreg-ext/requires/VMProps.java	Fri Jul 12 19:37:25 2019 +0200
+++ b/test/jtreg-ext/requires/VMProps.java	Mon Jul 22 10:48:14 2019 +0200
@@ -46,6 +46,7 @@
 import sun.hotspot.gc.GC;
 import sun.hotspot.WhiteBox;
 import jdk.test.lib.Platform;
+import jdk.test.lib.Container;
 
 /**
  * The Class to be invoked by jtreg prior Test Suite execution to
@@ -455,7 +456,7 @@
     }
 
     private boolean checkDockerSupport() throws IOException, InterruptedException {
-        ProcessBuilder pb = new ProcessBuilder(Platform.DOCKER_COMMAND, "ps");
+        ProcessBuilder pb = new ProcessBuilder(Container.ENGINE_COMMAND, "ps");
         Process p = pb.start();
         p.waitFor(10, TimeUnit.SECONDS);
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/lib/jdk/test/lib/Container.java	Mon Jul 22 10:48:14 2019 +0200
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2019, Red Hat Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package jdk.test.lib;
+
+public class Container {
+    // 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 ENGINE_COMMAND =
+        System.getProperty("jdk.test.container.command", "docker");
+}

--- a/test/lib/jdk/test/lib/Platform.java	Fri Jul 12 19:37:25 2019 +0200
+++ b/test/lib/jdk/test/lib/Platform.java	Mon Jul 22 10:48:14 2019 +0200
@@ -33,12 +33,6 @@
 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");

--- a/test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java	Fri Jul 12 19:37:25 2019 +0200
+++ b/test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java	Mon Jul 22 10:48:14 2019 +0200
@@ -37,7 +37,7 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import jdk.test.lib.Platform;
+import jdk.test.lib.Container;
 import jdk.test.lib.Utils;
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
@@ -112,7 +112,7 @@
      */
     private static boolean isDockerEngineAvailableCheck() throws Exception {
         try {
-            execute(Platform.DOCKER_COMMAND, "ps")
+            execute(Container.ENGINE_COMMAND, "ps")
                 .shouldHaveExitValue(0)
                 .shouldContain("CONTAINER")
                 .shouldContain("IMAGE");
@@ -175,7 +175,7 @@
                            DockerfileConfig.getBaseImageVersion());
         try {
             // Build the docker
-            execute(Platform.DOCKER_COMMAND, "build", "--no-cache", "--tag", imageName, buildDir.toString())
+            execute(Container.ENGINE_COMMAND, "build", "--no-cache", "--tag", imageName, buildDir.toString())
                 .shouldHaveExitValue(0);
         } catch (Exception e) {
             // If docker image building fails there is a good chance it happens due to environment and/or
@@ -197,7 +197,7 @@
     public static List<String> buildJavaCommand(DockerRunOptions opts) throws Exception {
         List<String> cmd = new ArrayList<>();
 
-        cmd.add(Platform.DOCKER_COMMAND);
+        cmd.add(Container.ENGINE_COMMAND);
         cmd.add("run");
         if (opts.tty)
             cmd.add("--tty=true");
@@ -239,7 +239,7 @@
      * @throws Exception
      */
     public static void removeDockerImage(String imageNameAndTag) throws Exception {
-            execute(Platform.DOCKER_COMMAND, "rmi", "--force", imageNameAndTag);
+            execute(Container.ENGINE_COMMAND, "rmi", "--force", imageNameAndTag);
     }