assert_match(/Test message body/, e.text_part.decoded)
assert_match(/Test message body/, e.html_part.decoded)
assert_match %r{#{Settings.server_url}/messages/[0-9]+}, e.text_part.decoded
assert_match(/Test message body/, e.text_part.decoded)
assert_match(/Test message body/, e.html_part.decoded)
assert_match %r{#{Settings.server_url}/messages/[0-9]+}, e.text_part.decoded