[v6.d REVIEW] Move X::Multi::NoMatch-related tests to SAP

Previously deemed unwanted in the spec, but now can go to
Spec APpendices.

Moved from: rakudo/rakudo@7d9ca4fa0a

APPENDICES/A02-some-day-maybe/multi-no-match.t

@@ -7,11 +7,20 @@ use Test;
 # Since there's yet no existing behaviour for some of such combinations,
 # X::Multi::NoMatch is thrown. This APPENDIX test file is for such tests.
 
-plan 2;
+plan 5;
 
 { # RT #129773
     throws-like { [].splice: 0, [] }, X::Multi::NoMatch,
         '.splice(offset, array) throws';
     throws-like { [].splice: 0e0, 0 }, X::Multi::NoMatch,
         '.splice(wrong type offset...) throws';
 }
+
+
+# https://github.com/rakudo/rakudo/issues/1644
+throws-like ｢Lock.protect: %()｣, X::Multi::NoMatch,
+    'Lock.protect with wrong args gives sane error';
+throws-like ｢Lock::Async.protect: %()｣, X::Multi::NoMatch,
+    'Lock::Async.protect with wrong args gives sane error';
+throws-like { Proc::Async.new }, X::Multi::NoMatch,
+    'attempting to create Proc::Async with wrong arguments throws';