Merge globals and settings test.

 On branch exp_env_loading
	modified:   management/run_globals_test.js
	modified:   management/run_tests.js
	new file:   test/environment_test.js
	deleted:    test/globals_test.js
	deleted:    test/settings_test.js
Move global test file to environment test file.

 On branch exp_env_loading
	modified:   manage.sh
	renamed:    management/run_globals_test.js -> management/run_environment_tests.js