Move tests to be author test

.gitignore

@@ -5,3 +5,4 @@ pm_to_blib
 *.swp
 MYMETA.*
 t/tmp/
+xt/tmp/

MANIFEST

 Changes
 inc/Module/AutoInstall.pm
 inc/Module/Install.pm
+inc/Module/Install/AuthorTests.pm
 inc/Module/Install/AutoInstall.pm
 inc/Module/Install/Base.pm
 inc/Module/Install/Can.pm
@@ -20,7 +21,8 @@ Makefile.PL
 MANIFEST			This list of files
 META.yml
 README
-t/create.t
-t/internals.t
-t/txn-cfs.t
-t/update.t
+xt/create.t
+xt/internals.t
+xt/tmp/ports
+xt/txn-cfs.t
+xt/update.t

Makefile.PL

@@ -31,5 +31,7 @@ substitute(
 
 no_index package => 'RT::Extension::CommandByMail::Test';
 
+author_tests('xt');
+
 sign;
 WriteAll();