com.google.j2cl.junit.integration.stacktrace.data.CustomExceptionStacktraceTest$MyException: __the_message__! and custom exception message!
    at com.google.j2cl.junit.integration.stacktrace.data.CustomExceptionStacktraceTest$MyException.<synthetic: ctor_create>(CustomExceptionStacktraceTest.java:31)
    at com.google.j2cl.junit.integration.stacktrace.data.CustomExceptionStacktraceTest.test(CustomExceptionStacktraceTest.java:27)
    __OPTIONAL__ # Testing infra on J2CL
