test: improve uv_sync test resiliency against multiple OS's

Author: joshzcold

tests/test_venv_create.lua

@@ -46,8 +46,12 @@ T['create']['uv_sync'] = function()
   local python_version = vim.fn.system(
     [[python3 -c 'import sys; print(f"{sys.version_info[0]}.{sys.version_info[1]}", end="")']])
 
-  local dep_path = ("examples/python_projects/uv/.venv/lib/python%s/site-packages/requests"):format(python_version)
-  eq(vim.fn.isdirectory(dep_path), 1)
+  local dep_path = vim.fn.system([[examples/python_projects/uv/.venv/bin/python -c 'import sys; print(sys.path[-1], end="")']])
+  assert(string.find(dep_path, "python_projects/uv/.venv", 1, true))
+
+  local check_dir = vim.fs.joinpath(dep_path, "requests")
+  print("\nchecking: " .. check_dir .. "\n")
+  eq(vim.fn.isdirectory(check_dir), 1)
 end
 
 -- Return test set which will be collected and execute inside `MiniTest.run()`