generate new test that did already exist & update all module snippets with declaration

test/pipeFunctions/pipeFunctions.js

@@ -1 +1 @@
-module.exports = (...fns) => fns.reduce((f, g) => (...args) => g(f(...args)));
+module.exports = pipeFunctions = (...fns) => fns.reduce((f, g) => (...args) => g(f(...args)));