@Test
    final void requireNoMessageIsOK() {
        final Throwable t = new Throwable();
        final ExceptionWrapper e = new ExceptionWrapper(t);
        final String expected = "Throwable() at com.yahoo.jdisc.http.server.jetty.ExceptionWrapperTest(ExceptionWrapperTest.java:19)";

        assertThat(e.getMessage(), equalTo(expected));
    }
Check basic error message formatting. Do note these tests are sensitive to
the line numbering in this file. (And that's a feature, not a bug.)

@author <a href="mailto:steinar@yahoo-inc.com">Steinar Knutsen</a>
container-core/src/test/java/com/yahoo/jdisc/http/server/jetty/ExceptionWrapperTest.java