--- old/test/jdk/tools/jpackage/share/ModuleMainClassErrorTest.java	2019-09-06 16:02:32.832477700 -0400
+++ new/test/jdk/tools/jpackage/share/ModuleMainClassErrorTest.java	2019-09-06 16:02:30.632764900 -0400
@@ -39,12 +39,14 @@
     private static final String appOutput = JPackagePath.getAppOutputFile();
 
     private static final String [] CMD1 = {
+        "--package-type", "app-image",
         "--output", OUTPUT,
         "--name", "test",
         "--module", "com.hello",
         "--module-path", "input"};
 
     private static final String [] CMD2 = {
+        "--package-type", "app-image",
         "--output", OUTPUT,
         "--name", "test",
         "--module", "com.hello/com.hello.Hello",