Remove jmockit to address license issues

Jmockit contains GPL code which causes license issues. Remove it and
replace with powermock/mockito for unit tests.

Change-Id: I911de8a7666d9b3c72d4babb02014cca805bfaf8
Issue-ID: VNFSDK-246
Signed-off-by: Kailun Qin <kailun.qin@intel.com>
diff --git a/vnf-sdk-function-test/pom.xml b/vnf-sdk-function-test/pom.xml
index d2b3be9..12ba2a8 100644
--- a/vnf-sdk-function-test/pom.xml
+++ b/vnf-sdk-function-test/pom.xml
@@ -286,12 +286,7 @@
             <groupId>org.mockito</groupId>
             <artifactId>mockito-all</artifactId>
             <version>2.0.2-beta</version>
-        </dependency>
-        <!-- https://mvnrepository.com/artifact/org.jmockit/jmockit -->
-        <dependency>
-            <groupId>org.jmockit</groupId>
-            <artifactId>jmockit</artifactId>
-            <version>1.25</version>
+            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>javax.xml.bind</groupId>