patch 8.2.2328: some test files may not be deleted

Problem:    Some test files may not be deleted.
Solution:   Add a delete() call, correct name. (Dominique Pellé, closes #7654)
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index d9aa71e..1066a1d 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -1238,7 +1238,7 @@
   assert_equal(3, g:loadCount)
   assert_equal(['init', 'yes', 'again', 'once', 'thexport'], g:Values())
 
-  delete('Xreloaded')
+  delete('XReloaded')
   delete('XExportReload')
   delfunc g:Values
   unlet g:loadCount
@@ -2966,7 +2966,7 @@
           invalid
       endfu
       try
-          invalid
+          alsoinvalid
       catch /wontmatch/
       endtry
   END