maint/build ~ (package) revise and surface availability of test harne…

…ss options to user

README.md

@@ -267,7 +267,7 @@ retest              clean and (re-)test project
 reset:hard          remove *all* generated files and reinstall dependencies
 show:deps           show package dependencies
 test                test package
-test:code           test package code
+test:code           test package code (use `--test-code=...` to pass options to testing harness)
 test:types          test for type declaration errors (using `tsd`)
 update              update/prepare for distribution [alias: 'dist']
 update:changelog    update CHANGELOG (using `git changelog ...`)

package.json

@@ -122,8 +122,8 @@
 		"show:deps": "run-s --silent _:show:deps:prod _:show:deps:dev || shx true",
 		"# test # test package": "",
 		"test": "run-s --silent lint update:dist && run-p test:*",
-		"# test:code # test package code": "",
-		"test:code": "run-s --silent +:max-node-8 && cross-env-shell ava $npm_config_ava || ( run-s --silent +:min-node-10 && cross-env-shell nyc --silent ava $npm_config_ava )",
+		"# test:code # test package code (use `--test-code=...` to pass options to testing harness)": "",
+		"test:code": "run-s --silent +:max-node-8 && cross-env-shell ava $npm_config_test_code || ( run-s --silent +:min-node-10 && cross-env-shell nyc --silent ava $npm_config_test_code )",
 		"# test:types # test for type declaration errors (using `tsd`)": "",
 		"test:types": "run-s --silent +:max-node-8 && shx echo \"[test:types] WARN Type testing skipped [for NodeJS < v10]\" 1>&2 || tsd",
 		"# update # update/prepare for distribution [alias: 'dist']": "",
@@ -133,7 +133,7 @@
 		"# update:dist # update distribution content": "",
 		"update:dist": "run-s --silent build && exec-if-updated --source \"build/**\" --target \"dist/**\" --target build/.targets/update-dist.succeeded \"run-s --silent _:update:dist:rebuild\"",
 		"# verify # fully (and verbosely) test package": "",
-		"verify": "cross-env npm_config_test_dist=true npm_config_ava=--verbose run-s test",
+		"verify": "cross-env npm_config_test_dist=true npm_config_test=--verbose run-s test",
 		"## +:... == sub-scripts (may run 'visibly', but not user-facing)": "",
 		"+:coverage": "run-s build test:code && is-ci && run-s cov:send || run-s cov:view",
 		"+:max-node-8": "is-node-not-modern 10",