Upgrade to Mockito 2.19.1

https://github.com/mockito/mockito/blob/v2.19.1/doc/release-notes/official.md

pom.xml

@@ -159,7 +159,7 @@
         <fongo.version>2.2.0-RC2</fongo.version>
         <jukito.version>1.5</jukito.version>
         <junit.version>4.12</junit.version>
-        <mockito.version>2.18.3</mockito.version>
+        <mockito.version>2.19.1</mockito.version>
         <nosqlunit.version>1.0.0-rc.5</nosqlunit.version>
         <nosqlunit-elasticsearch-http.version>1.0.0-4+jackson</nosqlunit-elasticsearch-http.version>
         <restassured.version>2.9.0</restassured.version>