Revert "sync develop with main (#119)"

This reverts commit 76e817b5e1.

spec/testutils.lua

@@ -6,11 +6,9 @@ local testutils = {}
 testutils.mininit_path = vim.fs.joinpath(base_dir, "scripts", "minimal_init.lua")
 testutils.fixtures_dir = vim.fs.joinpath(base_dir, "spec/fixtures")
 
----@param mod string Module name for which to create a nested test set.
----@return MiniTest.child child nvim client.
----@return table T root test set created by `MiniTest.new_set()`.
----@return table mod_name nested set of tests in `T[mod]`.
-function testutils.setup(mod)
+---@param name string
+---@return MiniTest.child, table
+function testutils.setup(name)
   local child = MiniTest.new_child_neovim()
   local T = MiniTest.new_set {
     hooks = {
@@ -21,8 +19,8 @@ function testutils.setup(mod)
     },
   }
 
-  T[mod] = MiniTest.new_set {}
-  return child, T, T[mod]
+  T[name] = MiniTest.new_set {}
+  return child, T
 end
 
 ---@generic T
@@ -78,8 +76,6 @@ end
 ---@param pos? number[]
 ---@return gopher.TestUtilsSetup
 function testutils.setup_test(fixture, child, pos)
-  vim.validate("pos", pos, "table", true)
-
   local tmp = testutils.tmpfile()
   local fixtures = testutils.get_fixtures(fixture)
 
@@ -88,8 +84,6 @@ function testutils.setup_test(fixture, child, pos)
 
   local bufnr = child.fn.bufnr(tmp)
   if pos then
-    assert(#pos == 2, "invalid cursor position")
-
     child.fn.setpos(".", { bufnr, unpack(pos) })
   end