Codacy style changes for test files

test/toSnakeCase/toSnakeCase.js

@@ -4,5 +4,4 @@ const toSnakeCase = str =>
     .match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
     .map(x => x.toLowerCase())
     .join('_');
-
-module.exports = toSnakeCase;
+module.exports = toSnakeCase;