Fix the redis cache spec to construct the cache with the anticipated ttl

spec/RedisCacheAdapter.spec.js

@@ -25,17 +25,26 @@ describe('RedisCacheAdapter', function() {
   });
 
   it('should expire after ttl', (done) => {
-    var cache = new RedisCacheAdapter({
-      ttl: 100
-    });
+    var cache = new RedisCacheAdapter(null, 1);
 
     cache.put(KEY, VALUE)
       .then(() => cache.get(KEY))
       .then((value) => expect(value).toEqual(VALUE))
-      .then(wait.bind(null, 1000))
+      .then(wait.bind(null, 2))
       .then(() => cache.get(KEY))
       .then((value) => expect(value).toEqual(null))
       .then(done);
-  })
+  });
 
+  it('should find un-expired records', (done) => {
+    var cache = new RedisCacheAdapter(null, 5);
+
+    cache.put(KEY, VALUE)
+      .then(() => cache.get(KEY))
+      .then((value) => expect(value).toEqual(VALUE))
+      .then(wait.bind(null, 1))
+      .then(() => cache.get(KEY))
+      .then((value) => expect(value).not.toEqual(null))
+      .then(done);
+  });
 });

src/Adapters/Cache/RedisCacheAdapter.js

@@ -1,7 +1,7 @@
 import redis from 'redis';
 import logger from '../../logger';
 
-const DEFAULT_REDIS_TTL = 30000; // 30 seconds in milliseconds
+const DEFAULT_REDIS_TTL = 30 * 1000; // 30 seconds in milliseconds
 
 function debug() {
   logger.debug.apply(logger, ['RedisCacheAdapter', ...arguments]);