test/jdk/tools/jpackage/share/ErrorTest.java

*** 65,75 ****
      };
      private static final String EXP2 = "class was not specified nor was";
  
      private static void validate(String output, String expected, boolean single)
              throws Exception {
!         String[] result = output.split("\n");
          if (single && result.length != 1) {
              System.err.println(output);
              throw new AssertionError("Unexpected multiple lines of output: "
                      + output);
          }
--- 65,75 ----
      };
      private static final String EXP2 = "class was not specified nor was";
  
      private static void validate(String output, String expected, boolean single)
              throws Exception {
!         String[] result = JPackageHelper.splitAndFilter(output);
          if (single && result.length != 1) {
              System.err.println(output);
              throw new AssertionError("Unexpected multiple lines of output: "
                      + output);
          }