evalable6

query

use Test; class Bar { method bar { die "a b c"; } }; throws-like { Bar.new().bar }, Exception, "test3", message => m:s/a b/;

result

(exit code 1) 
Use of uninitialized value of type Any in string context.
Methods .^name, .perl, .gist, or .say can be used to stringify it to something meaningful.
    1..3
    ok 1 - code dies
    ok 2 - right exception type (Exception)
    not ok 3 - .message matches Nil
not ok 1 - test3
  in block <unit> at /tmp/_6MYUjieEZ line 1
    # Failed test '.message matches Nil'
    # at SETTING::src/core/Any-iterable-methods.pm line 618
    # Expected: Nil
    # Got:      a b c
    # Looks like you failed 1 test of 3
# Failed test 'test3'
# at /tmp/_6MYUjieEZ line 1