Add junit dependency for testing.

pom.xml

@@ -28,6 +28,15 @@
     <mainClass>${basePackage}.snuviscript.SnuviScript</mainClass>
   </properties>
     
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+    
   <build>
     <defaultGoal>install</defaultGoal>