test fix

tests/database/keys.js

@@ -7,6 +7,9 @@ var	async = require('async'),
 
 describe('Key methods', function() {
 
+	beforeEach(function(done) {
+		db.set('testKey', 'testValue', done);
+	});
 
 	it('should set a key without error', function(done) {
 		db.set('testKey', 'testValue', function(err) {
@@ -56,11 +59,15 @@ describe('Key methods', function() {
 		});
 	});
 
-	it('should return false if key does not exist or was deleted', function(done) {
+	it('should return false if key was deleted', function(done) {
-		db.exists('testKey', function(err, exists) {
+		db.delete('testKey', function(err) {
 			assert.equal(err, null);
-			assert.strictEqual(exists, false);
+			assert.equal(arguments.length, 1);
-			done();
+			db.exists('testKey', function(err, exists) {
+				assert.equal(err, null);
+				assert.strictEqual(exists, false);
+				done();
+			});
 		});
 	});