Added Jest test suite

src/setupTests.js

@@ -0,0 +1,11 @@
+// Add globals here
+// ---
+// In the example below we're providing no-ops for the logging functions
+
+// global.console = {
+//   log: jest.fn(),
+//   error: jest.fn(),
+//   warn: jest.fn(),
+//   info: jest.fn(),
+//   debug: jest.fn(),
+// };