Remove dependency from DatabaseAdapter on cache.js.

spec/ParseAPI.spec.js

@@ -384,7 +384,7 @@ describe('miscellaneous', function() {
       obj.set('foo', 'bar');
       return obj.save();
     }).then(() => {
-      var db = DatabaseAdapter.getDatabaseConnection(appId);
+      var db = DatabaseAdapter.getDatabaseConnection(appId, 'test_');
       return db.mongoFind('TestObject', {}, {});
     }).then((results) => {
       expect(results.length).toEqual(1);

spec/ParseGlobalConfig.spec.js

@@ -1,9 +1,10 @@
+'use strict';
 
 var request = require('request');
 var Parse = require('parse/node').Parse;
 var DatabaseAdapter = require('../src/DatabaseAdapter');
 
-var database = DatabaseAdapter.getDatabaseConnection('test');
+let database = DatabaseAdapter.getDatabaseConnection('test', 'test_');
 
 describe('a GlobalConfig', () => {
   beforeEach(function(done) {

spec/ParseInstallation.spec.js

@@ -1,3 +1,4 @@
+'use strict';
 // These tests check the Installations functionality of the REST API.
 // Ported from installation_collection_test.go
 
@@ -9,7 +10,7 @@ var Parse = require('parse/node').Parse;
 var rest = require('../src/rest');
 
 var config = new Config('test');
-var database = DatabaseAdapter.getDatabaseConnection('test');
+let database = DatabaseAdapter.getDatabaseConnection('test', 'test_');
 
 describe('Installations', () => {
 

spec/RestCreate.spec.js

@@ -8,7 +8,7 @@ var rest = require('../src/rest');
 var request = require('request');
 
 var config = new Config('test');
-var database = DatabaseAdapter.getDatabaseConnection('test');
+var database = DatabaseAdapter.getDatabaseConnection('test', 'test_');
 
 describe('rest create', () => {
   it('handles _id', (done) => {