[ISSUE #822] Update .travis.yml (#823)

* Update .travis.yml
diff --git a/.travis.yml b/.travis.yml
index d53d39e..0f9795a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,5 +17,5 @@
   only:
     - master
 env:
-  - TEST_DIR=rocketmq-flink
+  - TEST_DIR=rocketmq-connect
 script: "cd $TEST_DIR && mvn clean package"
diff --git a/rocketmq-connect/pom.xml b/rocketmq-connect/pom.xml
index 9b3444f..ec8641f 100644
--- a/rocketmq-connect/pom.xml
+++ b/rocketmq-connect/pom.xml
@@ -40,7 +40,7 @@
         <rocketmq.version>4.4.0</rocketmq.version>
         <junit.version>4.11</junit.version>
         <assertj.version>2.6.0</assertj.version>
-        <mockito.version>2.6.3</mockito.version>
+        <mockito.version>3.2.4</mockito.version>
         <httpclient.version>4.5.5</httpclient.version>
         <openmessaging.connector.version>0.1.1</openmessaging.connector.version>
         <fastjson.version>1.2.58</fastjson.version>