Improve tests (#854)

Recover commented out tests, 
Improve usage of helper in driver, 
Added data-wd-key for test to use instead of classes
Moved all non tsx file to a single folder (lib) instead of lib and utils

---------

Co-authored-by: Yuri Astrakhan <yuriastrakhan@gmail.com>

src/libs/spec-helper.ts

@@ -0,0 +1,18 @@
+/**
+ * If we don't have a default value just make one up
+ */
+export function findDefaultFromSpec(spec: { type: 'string' | 'color' | 'boolean' | 'array', default?: any }) {
+  if (Object.prototype.hasOwnProperty.call(spec, 'default')) {
+    return spec.default;
+  }
+
+  const defaults = {
+    'color': '#000000',
+    'string': '',
+    'boolean': false,
+    'number': 0,
+    'array': [],
+  }
+
+  return defaults[spec.type] || '';
+}