Re-enable test

Enable all tests in project.

packages/core/test/systems/en-US.test.ts

@@ -4,7 +4,7 @@ import { numberToExponential } from '../../src/exponent';
 
 const options = { system: systems.enUS };
 
-describe.skip('numerica', () => {
+describe('numerica', () => {
 	describe('group names', () => {
 		describe('0-9', () => {
 			it.each`