Caused by: java.lang.RuntimeException: __the_message__!
    at com.google.j2cl.junit.integration.stacktrace.data.ThrowsInClassInitializer$Inner.willThrow(ThrowsInClassInitializer.java:31)
    at com.google.j2cl.junit.integration.stacktrace.data.ThrowsInClassInitializer$Inner.<clinit>(ThrowsInClassInitializer.java:28)
    __OPTIONAL__ # Since this is a cause it has string like '...25 more'
