fix: remove previous executed directories to execute tests locally

src/nvim/testdir/test_functions.vim

@@ -1592,6 +1592,10 @@ func Test_bufadd_bufload()
 endfunc
 
 func Test_readdir()
+  if isdirectory('Xdir')
+    call delete('Xdir', 'rf')
+  endif
+
   call mkdir('Xdir')
   call writefile([], 'Xdir/foo.txt')
   call writefile([], 'Xdir/bar.txt')

src/nvim/testdir/test_quickfix.vim

@@ -1080,9 +1080,9 @@ endfunc
 func Test_efm_dirstack()
   " Create the directory stack and files
   call mkdir('dir1')
-  call mkdir('dir1/a')
-  call mkdir('dir1/a/b')
-  call mkdir('dir1/c')
+  call mkdir('dir1/a', 'p')
+  call mkdir('dir1/a/b', 'p')
+  call mkdir('dir1/c', 'p')
   call mkdir('dir2')
 
   let lines =<< trim [DATA]
@@ -3653,6 +3653,9 @@ func Xqftick_tests(cchar)
 	      \ {'filename' : 'F7', 'lnum' : 11, 'text' : 'L11'}], 'r')
   call assert_equal(2, g:Xgetlist({'changedtick' : 0}).changedtick)
 
+  if isdirectory("Xone")
+    call delete("Xone", 'rf')
+  endif
   call writefile(["F8:80:L80", "F8:81:L81"], "Xone")
   Xfile Xone
   call assert_equal(1, g:Xgetlist({'changedtick' : 0}).changedtick)

test/functional/legacy/packadd_spec.lua

@@ -20,6 +20,9 @@ describe('packadd', function()
 
       func SetUp()
         let s:topdir = expand(getcwd() . '/Xdir')
+        if isdirectory(s:topdir)
+          call delete(s:topdir, 'rf')
+        endif
         exe 'set packpath=' . s:topdir
         let s:plugdir = expand(s:topdir . '/pack/mine/opt/mytest')
       endfunc