message: Update test for warning for alias shadowing an external subcommand
diff: @@ -100,14 +100,20 @@ fn default_args_alias() {
  p.cargo("echo")
  .env("PATH", &path)
  .with_status(101)
  - .with_stderr("error: alias echo has unresolvable recursive definition: echo -> echo")
  + .with_stderr("\
  +warning: user-defined alias `echo` is shadowing an external subcommand found at: `[ROOT]/cargo-echo/target/debug/cargo-echo`
  +error: alias echo has unresolvable recursive definition: echo -> echo
  +",
  + )
  .run();
  p.cargo("test-1")
  .env("PATH", &path)
  .with_status(101)
  - .with_stderr(
  - "error: alias test-1 has unresolvable recursive definition: test-1 -> echo -> echo",
  + .with_stderr("\
  +warning: user-defined alias `echo` is shadowing an external subcommand found at: `[ROOT]/cargo-echo/target/debug/cargo-echo`
  +error: alias test-1 has unresolvable recursive definition: test-1 -> echo -> echo
  +",
  )
  .run();
  