fixed unit tests

components/identity-extensions/io.entgra.device.mgt.core.identity.jwt.client.extension/pom.xml

@@ -155,7 +155,12 @@
         </dependency>
         <dependency>
             <groupId>org.powermock</groupId>
-            <artifactId>powermock-api-mockito</artifactId>
+            <artifactId>powermock-api-mockito2</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -253,12 +258,19 @@
                 <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>
                     <systemPropertyVariables>
                         <log4j.configuration>file:src/test/resources/log4j.properties</log4j.configuration>
                     </systemPropertyVariables>
                     <suiteXmlFiles>
                         <suiteXmlFile>src/test/resources/testng.xml</suiteXmlFile>
                     </suiteXmlFiles>
+                    <classpathDependencyExcludes>
+                        <classpathDependencyExclude>org.ops4j.pax.logging</classpathDependencyExclude>
+                    </classpathDependencyExcludes>
                 </configuration>
             </plugin>
         </plugins>

components/identity-extensions/io.entgra.device.mgt.core.identity.jwt.client.extension/src/test/java/io/entgra/device/mgt/core/identity/jwt/client/extension/service/JWTClientTest.java

@@ -43,9 +43,10 @@ import java.security.NoSuchAlgorithmException;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Properties;
+import org.powermock.modules.testng.PowerMockTestCase;
 
 @PrepareForTest(JWTClientUtil.class)
-public class JWTClientTest {
+public class JWTClientTest extends PowerMockTestCase{
     private static final Log log = LogFactory.getLog(JWTClientTest.class);
 
     @ObjectFactory

components/identity-extensions/io.entgra.device.mgt.core.identity.jwt.client.extension/src/test/resources/user-test/user-mgt-registry-test.xml

@@ -27,7 +27,7 @@
 	    <EveryOneRoleName>everyone</EveryOneRoleName>
             <ReadOnly>false</ReadOnly>
             <MaxUserNameListLength>500</MaxUserNameListLength>
-			<Property name="url">jdbc:h2:target/databasetest/CARBON_TEST</Property>
+			<Property name="url">jdbc:h2:./target/databasetest/CARBON_TEST</Property>
 			<Property name="driverName">org.h2.Driver</Property>
 			<Property name="maxActive">50</Property>
 			<Property name="maxWait">60000</Property>