Bump powermock-api-mockito from 1.5 to 1.7.4

Bumps [powermock-api-mockito](https://github.com/powermock/powermock) from 1.5 to 1.7.4.
- [Release notes](https://github.com/powermock/powermock/releases)
- [Changelog](https://github.com/powermock/powermock/blob/release/2.x/docs/changelog.txt)
- [Commits](https://github.com/powermock/powermock/commits/powermock-1.7.4)

pom.xml

@@ -122,7 +122,7 @@
         <dependency>
             <groupId>org.powermock</groupId>
             <artifactId>powermock-api-mockito</artifactId>
-            <version>1.5</version>
+            <version>1.7.4</version>
             <scope>test</scope>
         </dependency>