fixed unit tests

pom.xml

@@ -833,6 +833,16 @@
                 <artifactId>jaxb-api</artifactId>
                 <version>${version.org.wso2.orbit.javax.xml.bind}</version>
             </dependency>
+            <dependency>
+                <groupId>com.sun.xml.bind</groupId>
+                <artifactId>jaxb-core</artifactId>
+                <version>2.3.0.1</version>
+            </dependency>
+            <dependency>
+                <groupId>com.sun.xml.bind</groupId>
+                <artifactId>jaxb-impl</artifactId>
+                <version>2.3.1</version>
+            </dependency>
 
             <dependency>
                 <groupId>org.apache.axis2.transport</groupId>
@@ -1654,7 +1664,7 @@
             </dependency>
             <dependency>
                 <groupId>org.powermock</groupId>
-                <artifactId>powermock-api-mockito</artifactId>
+                <artifactId>powermock-api-mockito2</artifactId>
                 <version>${power.mock.version}</version>
                 <scope>test</scope>
             </dependency>
@@ -1741,6 +1751,11 @@
                 <artifactId>mockito-inline</artifactId>
                 <version>${mokito.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.mockito</groupId>
+                <artifactId>mockito-core</artifactId>
+                <version>${mokito.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.ops4j.pax.logging</groupId>
                 <artifactId>pax-logging-api</artifactId>
@@ -1888,7 +1903,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>2.22.0</version>
+                    <version>2.22.2</version>
                     <configuration>
                         <systemPropertyVariables>
                             <jacoco-agent.destfile>${basedir}/target/coverage-reports/jacoco-ut.exec
@@ -2113,7 +2128,7 @@
         <jacoco.maven.plugin.version>0.7.8</jacoco.maven.plugin.version>
         <jacoco.ant.verision>0.7.5.201505241946</jacoco.ant.verision>
         <ant.contrib.version>1.0b3</ant.contrib.version>
-        <power.mock.version>1.7.4</power.mock.version>
+        <power.mock.version>2.0.2</power.mock.version>
         <commons.dbcp.version>1.4.0.wso2v1</commons.dbcp.version>
         <slf4j.nop.version>1.7.25</slf4j.nop.version>
 
@@ -2136,7 +2151,7 @@
         <imp.package.version.osgi.framework>[1.6.0, 2.0.0)</imp.package.version.osgi.framework>
         <imp.package.version.osgi.service>[1.2.0,1.3.0)</imp.package.version.osgi.service>
 
-        <mokito.version>4.2.0</mokito.version>
+        <mokito.version>2.23.4</mokito.version>
         <xerces.version>2.8.1.wso2v2</xerces.version>
         <org.wso2.apache.httpcomponents.httpclient.version>4.3.1.wso2v1</org.wso2.apache.httpcomponents.httpclient.version>
         <orbit.h2.version>2.1.210.wso2v1</orbit.h2.version>