vlib/v/checker/tests/comptime_insert_err.vv:6:1: error: The file "@VEXEROOT/vlib/v/checker/tests/Non_Existant_File.cc", needed for insertion by module `main`, does not exist.
    4 | // some more comments
    5 | 
    6 | #insert "@VEXEROOT/vlib/v/checker/tests/Non_Existant_File.cc"
      | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    7 | 
    8 | fn main() {
