Generate tests

...id/nested-with-expression-assignment-expr-not-optional.js

.../invalid/nested-with-expression-no-new-call-expression.js

...rt/syntax/invalid/nested-with-expression-no-rest-param.js

...tax/invalid/nested-with-expression-not-extensible-args.js

...ested-with-expression-not-extensible-no-trailing-comma.js

.../nested-with-expression-empty-str-is-valid-assign-expr.js

...ort/syntax/valid/nested-with-expression-nested-imports.js

.../syntax/valid/nested-with-expression-script-code-valid.js