--- a/test/jtreg-ext/requires/VMProps.java	Mon Aug 05 10:40:36 2019 +0100
+++ b/test/jtreg-ext/requires/VMProps.java	Fri Jul 12 19:37:25 2019 +0200
@@ -455,7 +455,7 @@
     }
 
     private boolean checkDockerSupport() throws IOException, InterruptedException {
-        ProcessBuilder pb = new ProcessBuilder("docker", "ps");
+        ProcessBuilder pb = new ProcessBuilder(Platform.DOCKER_COMMAND, "ps");
         Process p = pb.start();
         p.waitFor(10, TimeUnit.SECONDS);
 

--- a/test/lib/jdk/test/lib/Platform.java	Mon Aug 05 10:40:36 2019 +0100
+++ b/test/lib/jdk/test/lib/Platform.java	Fri Jul 12 19:37:25 2019 +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");

--- a/test/lib/jdk/test/lib/containers/cgroup/MetricsTester.java	Mon Aug 05 10:40:36 2019 +0100
+++ b/test/lib/jdk/test/lib/containers/cgroup/MetricsTester.java	Fri Jul 12 19:37:25 2019 +0200
@@ -550,16 +550,20 @@
         long newUsage = metrics.getCpuUsage();
         long[] newPerCpu = metrics.getPerCpuUsage();
 
-        if (newSysVal <= startSysVal) {
+        // system/user CPU usage counters may be slowly increasing.
+        // allow for equal values for a pass
+        if (newSysVal < startSysVal) {
             fail(SubSystem.CPU, "getCpuSystemUsage", newSysVal, startSysVal);
         }
 
-        if (newUserVal <= startUserVal) {
+        // system/user CPU usage counters may be slowly increasing.
+        // allow for equal values for a pass
+        if (newUserVal < startUserVal) {
             fail(SubSystem.CPU, "getCpuUserUsage", newUserVal, startUserVal);
         }
 
         if (newUsage <= startUsage) {
-            fail(SubSystem.CPU, "getCpuUserUsage", newUsage, startUsage);
+            fail(SubSystem.CPU, "getCpuUsage", newUsage, startUsage);
         }
 
         boolean success = false;

--- a/test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java	Mon Aug 05 10:40:36 2019 +0100
+++ b/test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java	Fri Jul 12 19:37:25 2019 +0200
@@ -37,6 +37,7 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import jdk.test.lib.Platform;
 import jdk.test.lib.Utils;
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
@@ -54,11 +55,6 @@
     // diagnostic information.
     private static final int MAX_LINES_TO_COPY_FOR_CHILD_STDOUT = 100;
 
-    // Use this property to specify docker location on your system.
-    // E.g.: "/usr/local/bin/docker".
-    private static final String DOCKER_COMMAND =
-        System.getProperty("jdk.test.docker.command", "docker");
-
     // Set this property to true to retain image after test. By default
     // images are removed after test execution completes.
     // Retaining the image can be useful for diagnostics and image inspection.
@@ -116,7 +112,7 @@
      */
     private static boolean isDockerEngineAvailableCheck() throws Exception {
         try {
-            execute(DOCKER_COMMAND, "ps")
+            execute(Platform.DOCKER_COMMAND, "ps")
                 .shouldHaveExitValue(0)
                 .shouldContain("CONTAINER")
                 .shouldContain("IMAGE");
@@ -179,9 +175,8 @@
                            DockerfileConfig.getBaseImageVersion());
         try {
             // Build the docker
-            execute(DOCKER_COMMAND, "build", "--no-cache", "--tag", imageName, buildDir.toString())
-                .shouldHaveExitValue(0)
-                .shouldContain("Successfully built");
+            execute(Platform.DOCKER_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
             // configuration other than product failure. Throw jtreg skipped exception in such case
@@ -202,7 +197,7 @@
     public static List<String> buildJavaCommand(DockerRunOptions opts) throws Exception {
         List<String> cmd = new ArrayList<>();
 
-        cmd.add(DOCKER_COMMAND);
+        cmd.add(Platform.DOCKER_COMMAND);
         cmd.add("run");
         if (opts.tty)
             cmd.add("--tty=true");
@@ -244,7 +239,7 @@
      * @throws Exception
      */
     public static void removeDockerImage(String imageNameAndTag) throws Exception {
-            execute(DOCKER_COMMAND, "rmi", "--force", imageNameAndTag);
+            execute(Platform.DOCKER_COMMAND, "rmi", "--force", imageNameAndTag);
     }