chore: relocate unit test (#39)

add new json snapshot serializer

test/unit/components/__mocks__/token.js

@@ -0,0 +1,26 @@
+/**
+ * Token Utility
+ */
+
+import { Base64 } from 'js-base64';
+import addHours from 'date-fns/add_hours';
+
+export function generateTokenWithTimeRange (limit = 0) {
+    const payload = {
+        username: 'verdaccio',
+        exp: Number.parseInt(addHours(new Date(), limit).getTime() / 1000, 10)
+    };
+    return `xxxxxx.${Base64.encode(JSON.stringify(payload))}.xxxxxx`;
+}
+
+export function generateTokenWithExpirationAsString () {
+    const payload = { username: 'verdaccio', exp: 'I am not a number' };
+    return `xxxxxx.${Base64.encode(payload)}.xxxxxx`;
+}
+
+export function generateTokenWithOutExpiration (){
+    const payload = {
+        username: 'verdaccio'
+    };
+    return `xxxxxx.${Base64.encode(JSON.stringify(payload))}.xxxxxx`;
+}