- bugfix, clean testdir/ after calling tests

t/Testcall.pm

@@ -3,6 +3,7 @@ use warnings;
 package Testcall;
 use IPC::Open3;
 use File::Spec;
+use File::Path;
 use Exporter 'import';
 use Data::Printer;
 
@@ -120,7 +121,7 @@ sub prepare {
 }
 
 sub cleanup {
-    rmdir "$testdir";
+    rmtree "$testdir";
 }
 
 1;