fixed unit tests

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/pom.xml

@@ -111,6 +111,10 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
                 <configuration>
+                    <argLine>
+                        --add-opens=java.xml/jdk.xml.internal=ALL-UNNAMED
+                        --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED
+                    </argLine>
                     <suiteXmlFiles>
                         <suiteXmlFile>src/test/resources/testng.xml</suiteXmlFile>
                     </suiteXmlFiles>
@@ -118,6 +122,9 @@
                         <jacoco-agent.destfile>${basedir}/target/coverage-reports/jacoco-unit.exec</jacoco-agent.destfile>
                         <log4j.configuration>file:src/test/resources/log4j.properties</log4j.configuration>
                     </systemPropertyVariables>
+                    <classpathDependencyExcludes>
+                        <classpathDependencyExclude>org.ops4j.pax.logging</classpathDependencyExclude>
+                    </classpathDependencyExcludes>
                 </configuration>
             </plugin>
             <plugin>
@@ -175,7 +182,7 @@
         </dependency>
         <dependency>
             <groupId>org.powermock</groupId>
-            <artifactId>powermock-api-mockito</artifactId>
+            <artifactId>powermock-api-mockito2</artifactId>
             <scope>test</scope>
         </dependency>
         <dependency>

components/certificate-mgt/io.entgra.device.mgt.core.certificate.mgt.core/src/test/resources/data-source-config.xml

@@ -18,7 +18,7 @@
   -->
 
 <DataSourceConfig>
-    <Url>jdbc:h2:mem:cdm-test-db;DB_CLOSE_ON_EXIT=FALSE;MVCC=true</Url>
+    <Url>jdbc:h2:mem:cdm-test-db;DB_CLOSE_ON_EXIT=FALSE</Url>
     <DriverClassName>org.h2.Driver</DriverClassName>
     <User>wso2carbon</User>
     <Password>wso2carbon</Password>