test: give js-native-api tests consistent names

The convention for js-native-api/<test_name>:
  * <test_name>.c or <test_name>.cc has the entry point
  * The name of the target is <test_name>

PR-URL: https://github.com/nodejs/node/pull/38692


Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>