diff --git a/slider-core/src/test/groovy/org/apache/slider/test/SliderTestUtils.groovy b/slider-core/src/test/groovy/org/apache/slider/test/SliderTestUtils.groovy
index 634b6b5..8d6c036 100644
--- a/slider-core/src/test/groovy/org/apache/slider/test/SliderTestUtils.groovy
+++ b/slider-core/src/test/groovy/org/apache/slider/test/SliderTestUtils.groovy
@@ -28,6 +28,7 @@
 import org.apache.hadoop.fs.FileStatus
 import org.apache.hadoop.fs.FileSystem as HadoopFS
 import org.apache.hadoop.fs.Path
+import org.apache.hadoop.service.ServiceStateException
 import org.apache.hadoop.util.Shell
 import org.apache.hadoop.yarn.api.records.ApplicationReport
 import org.apache.hadoop.yarn.conf.YarnConfiguration
@@ -46,6 +47,7 @@
 import org.apache.slider.core.main.ServiceLaunchException
 import org.apache.slider.core.main.ServiceLauncher
 import org.apache.slider.core.registry.docstore.PublishedConfigSet
+import org.apache.slider.server.services.workflow.ForkedProcessService
 import org.junit.Assert
 import org.junit.Assume
 
@@ -520,6 +522,45 @@
     int actual = instances != null ? instances.size() : 0
     return actual
   }
+  /**
+   * Exec a set of commands, wait a few seconds for it to finish.
+   * @param status code
+   * @param commands
+   * @return the process
+   */
+  public static ForkedProcessService exec(int status, List<String> commands) {
+    ForkedProcessService process = exec(commands)
+    assert status == process.exitCode
+    return process
+  }
+  /**
+     * Exec a set of commands, wait a few seconds for it to finish.
+     * @param commands
+     * @return
+     */
+  public static ForkedProcessService exec(List<String> commands) {
+    ForkedProcessService process;
+    process = new ForkedProcessService(
+        commands[0],
+        [:],
+        commands);
+    process.init(new Configuration());
+    process.start();
+    process.waitForServiceToStop(10000);
+    process
+  }
+
+  public static boolean doesWindowsAppExist(List<String> commands) {
+    try {
+      exec(0, commands)
+      return true;
+    } catch (ServiceStateException e) {
+      if (!(e.cause instanceof FileNotFoundException)) {
+        throw e;
+      }
+      return false;
+    }
+  }
 
   /**
    * Execute a closure, assert it fails with a given exit code and text