test(node-runtime-worker-thread): Enable spawnChildFromSource test

Author: gribnoysup

packages/node-runtime-worker-thread/src/spawn-child-from-source.spec.ts

@@ -7,7 +7,7 @@ import spawnChildFromSource from './spawn-child-from-source';
 
 chai.use(chaiAsPromised);
 
-describe.skip('spawnChildFromSource', () => {
+describe('spawnChildFromSource', () => {
   it('should resolve with a child process', async() => {
     const spawned = await spawnChildFromSource('');
     expect(spawned).to.be.instanceof((childProcess as any).ChildProcess);