add powermock

pom.xml

@@ -18,6 +18,7 @@
         <mybatis.generator.core.version>1.3.2</mybatis.generator.core.version>
         <file_encoding>utf-8</file_encoding>
         <jdk.verion>1.8</jdk.verion>
+        <powermock.version>1.7.1</powermock.version>
     </properties>
 
     <dependencies>
@@ -231,6 +232,17 @@
             <artifactId>commons-io</artifactId>
             <version>2.5</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.powermock</groupId>
+            <artifactId>powermock-module-junit4</artifactId>
+            <version>${powermock.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.powermock</groupId>
+            <artifactId>powermock-api-mockito2</artifactId>
+            <version>${powermock.version}</version>
+        </dependency>
     </dependencies>
     <build>
         <finalName>java-utils</finalName>