2 files changed, 6 insertions, 11 deletions
diff --git a/test/functional/plugin/lsp/helpers.lua b/test/functional/plugin/lsp/helpers.lua
index 028ccb9e2c..caab174b4d 100644
--- a/test/functional/plugin/lsp/helpers.lua
+++ b/test/functional/plugin/lsp/helpers.lua
@@ -80,17 +80,14 @@ M.fake_lsp_logfile = 'Xtest-fake-lsp.log'
 local function fake_lsp_server_setup(test_name, timeout_ms, options, settings)
   exec_lua([=[
     lsp = require('vim.lsp')
-    local test_name, fixture_filename, logfile, timeout, options, settings = ...
+    local test_name, fake_lsp_code, fake_lsp_logfile, timeout, options, settings = ...
     TEST_RPC_CLIENT_ID = lsp.start_client {
       cmd_env = {
-        NVIM_LOG_FILE = logfile;
+        NVIM_LOG_FILE = fake_lsp_logfile;
         NVIM_LUA_NOTRACK = "1";
       };
       cmd = {
-        vim.v.progpath, '-Es', '-u', 'NONE', '--headless',
-        "-c", string.format("lua TEST_NAME = %q", test_name),
-        "-c", string.format("lua TIMEOUT = %d", timeout),
-        "-c", "luafile "..fixture_filename,
+        vim.v.progpath, '-l', fake_lsp_code, test_name, tostring(timeout),
       };
       handlers = setmetatable({}, {
         __index = function(t, method)
diff --git a/test/functional/plugin/lsp_spec.lua b/test/functional/plugin/lsp_spec.lua
index 5229022564..fd162961ff 100644
--- a/test/functional/plugin/lsp_spec.lua
+++ b/test/functional/plugin/lsp_spec.lua
@@ -46,16 +46,14 @@ describe('LSP', function()
     local test_name = "basic_init"
     exec_lua([=[
       lsp = require('vim.lsp')
-      local test_name, fixture_filename, logfile = ...
+      local test_name, fake_lsp_code, fake_lsp_logfile = ...
       function test__start_client()
         return lsp.start_client {
           cmd_env = {
-            NVIM_LOG_FILE = logfile;
+            NVIM_LOG_FILE = fake_lsp_logfile;
           };
           cmd = {
-            vim.v.progpath, '-Es', '-u', 'NONE', '--headless',
-            "-c", string.format("lua TEST_NAME = %q", test_name),
-            "-c", "luafile "..fixture_filename;
+            vim.v.progpath, '-l', fake_lsp_code, test_name;
           };
           workspace_folders = {{
               uri = 'file://' .. vim.loop.cwd(),