--- old/test/sun/security/tools/jarsigner/Warning.java	2017-01-23 18:01:58.756008300 +0800
+++ new/test/sun/security/tools/jarsigner/Warning.java	2017-01-23 18:01:58.580159400 +0800
@@ -199,7 +199,7 @@
         }
         String cert = run("keytool", args, req)
                 .shouldHaveExitValue(0).getStdout();
-        run("keytool", "-import -alias " + alias, cert).shouldHaveExitValue(0);
+        run("keytool", "-import -noprompt -alias " + alias, cert).shouldHaveExitValue(0);
     }
 
     // Runs a java tool with command line arguments