--- a/test/lib/sun/hotspot/WhiteBox.java	Thu Nov 16 18:34:33 2017 -0500
+++ b/test/lib/sun/hotspot/WhiteBox.java	Thu Nov 16 19:01:01 2017 -0800
@@ -536,4 +536,9 @@
 
   // Returns true on linux if library has the noexecstack flag set.
   public native boolean checkLibSpecifiesNoexecstack(String libfilename);
+
+  // Container testing
+  public native boolean isContainerized();
+  public native void printOsInfo();
+
 }