test/jdk/tools/jpackage/helpers/jdk/jpackage/test/PackageType.java

@@ -63,11 +63,11 @@
     PackageType(String bundleSuffix, String bundlerClass) {
         this(bundleSuffix.substring(1), bundleSuffix, bundlerClass);
     }
 
     void applyTo(JPackageCommand cmd) {
-        cmd.addArguments("--type", getName());
+        cmd.setArgumentValue("--type", getName());
     }
 
     String getSuffix() {
         return suffix;
     }