Refactor monitoring REST tests to remove PowerMock

Removed PowerMock from tests becasue coverage of PowerMock is not counted
by JaCoCO. It was easier to remove PowerMock than to try and hack the build
get PowerMock coverage counted.

Issue-ID: POLICY-1034
Change-Id: Ifc3e1ff93b2bfcb5619a5af6dec320d2de992f87
Signed-off-by: liamfallon <liam.fallon@ericsson.com>
diff --git a/client/client-monitoring/pom.xml b/client/client-monitoring/pom.xml
index fb150cb..55e1c06 100644
--- a/client/client-monitoring/pom.xml
+++ b/client/client-monitoring/pom.xml
@@ -64,19 +64,8 @@
             <artifactId>commons-cli</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.powermock</groupId>
-            <artifactId>powermock-module-junit4</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.powermock</groupId>
-            <artifactId>powermock-api-mockito</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.powermock</groupId>
-            <artifactId>powermock-module-junit4-rule-agent</artifactId>
-            <version>${version.powermock}</version>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-all</artifactId>
             <scope>test</scope>
         </dependency>
     </dependencies>