test: use vim.inspect directly

test/functional/helpers.lua

@@ -730,17 +730,16 @@ function module.expect_any(contents)
 end
 
 function module.expect_events(expected, received, kind)
-  local inspect = require 'vim.inspect'
   if not pcall(eq, expected, received) then
     local msg = 'unexpected ' .. kind .. ' received.\n\n'
 
     msg = msg .. 'received events:\n'
     for _, e in ipairs(received) do
-      msg = msg .. '  ' .. inspect(e) .. ';\n'
+      msg = msg .. '  ' .. vim.inspect(e) .. ';\n'
     end
     msg = msg .. '\nexpected events:\n'
     for _, e in ipairs(expected) do
-      msg = msg .. '  ' .. inspect(e) .. ';\n'
+      msg = msg .. '  ' .. vim.inspect(e) .. ';\n'
     end
     fail(msg)
   end

test/functional/lua/ui_event_spec.lua

@@ -5,7 +5,6 @@ local exec_lua = helpers.exec_lua
 local clear = helpers.clear
 local feed = helpers.feed
 local funcs = helpers.funcs
-local inspect = require 'vim.inspect'
 
 describe('vim.ui_attach', function()
   local screen
@@ -38,7 +37,7 @@ describe('vim.ui_attach', function()
 
   local function expect_events(expected)
     local evs = exec_lua 'return get_events(...)'
-    eq(expected, evs, inspect(evs))
+    eq(expected, evs, vim.inspect(evs))
   end
 
   it('can receive popupmenu events', function()
@@ -148,6 +147,6 @@ describe('vim.ui_attach', function()
           { 'echomsg', { { 0, 'message3' } } },
         },
       },
-    }, actual, inspect(actual))
+    }, actual, vim.inspect(actual))
   end)
 end)

test/functional/ui/screen.lua

@@ -82,7 +82,7 @@ local dedent = helpers.dedent
 local get_session = helpers.get_session
 local create_callindex = helpers.create_callindex
 
-local inspect = require('vim.inspect')
+local inspect = vim.inspect
 
 local function isempty(v)
   return type(v) == 'table' and next(v) == nil