code: private static StackTraceElement findStackTraceElement(Throwable t) {
         StackTraceElement element = t.getStackTrace().length > 0 ? t.getStackTrace()[0] : null;
         int index = 0;
          String chorusAssertClassName = ChorusAssert.class.getName();
          String junitAssertClassName = "org.junit.Assert";  //junit may not be in classpath so don't use Assert.class.getName()
          String junitLegacyClassName = "junit.framework.Assert";  //need to support alternative (legacy?) junit 3 style Assert
          while ( element != null && (
                  element.getClassName().contains(chorusAssertClassName) ||
                  element.getClassName().contains(junitAssertClassName) ||
                  element.getClassName().contains(junitLegacyClassName))
              ) {
             index += 1;
             element = t.getStackTrace().length > index ? t.getStackTrace()[index] : null;
         }
         return element;
      }
docs: we want to skip frames with the JUnit or ChorusAssert