test: remove a few more redundant clear() calls (#35903)

test/functional/lua/fs_spec.lua

@@ -53,7 +53,7 @@ local tests_windows_paths = {
   'c:\\users\\foo\\bar\\..\\',
 }
 
-before_each(clear)
+setup(clear)
 
 describe('vim.fs', function()
   describe('parents()', function()
@@ -354,6 +354,10 @@ describe('vim.fs', function()
       command('edit test/functional/fixtures/tty-test.c')
     end)
 
+    after_each(function()
+      command('bwipe!')
+    end)
+
     it('works with a single marker', function()
       eq(test_source_path, exec_lua([[return vim.fs.root(0, 'CMakePresets.json')]]))
     end)
@@ -466,8 +470,9 @@ describe('vim.fs', function()
       eq(
         xdg_config_home .. '/nvim',
         exec_lua(function()
-          vim.env.XDG_CONFIG_HOME = xdg_config_home
-          return vim.fs.normalize('$XDG_CONFIG_HOME/nvim')
+          return vim._with({ env = { XDG_CONFIG_HOME = xdg_config_home } }, function()
+            return vim.fs.normalize('$XDG_CONFIG_HOME/nvim')
+          end)
         end)
       )
     end)

test/functional/lua/glob_spec.lua

@@ -1,15 +1,10 @@
 local t = require('test.testutil')
-local n = require('test.functional.testnvim')()
 
 local eq = t.eq
 
 describe('glob', function()
-  before_each(n.clear)
-
   local match = function(pattern, str)
-    return n.exec_lua(function()
-      return require('vim.glob').to_lpeg(pattern):match(str) ~= nil
-    end)
+    return require('vim.glob').to_lpeg(pattern):match(str) ~= nil
   end
 
   describe('glob matching', function()

test/functional/lua/text_spec.lua

@@ -1,12 +1,8 @@
 local t = require('test.testutil')
-local n = require('test.functional.testnvim')()
 
-local clear = n.clear
 local eq = t.eq
 
 describe('vim.text', function()
-  before_each(clear)
-
   describe('indent()', function()
     it('validation', function()
       t.matches('size%: expected number, got string', t.pcall_err(vim.text.indent, 'x', 'x'))