enable running wala.core.tests in maven build

com.ibm.wala.core.tests/pom.xml

@@ -8,5 +8,33 @@
       <version>1.3.4-SNAPSHOT</version>
   </parent>
   <artifactId>com.ibm.wala.core.tests</artifactId>
-  <packaging>eclipse-test-plugin</packaging>
+  <packaging>eclipse-plugin</packaging>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>test</id>
+            <phase>test</phase>
+            <configuration>
+              <testClassesDirectory>${project.build.outputDirectory}</testClassesDirectory>
+            </configuration>
+            <goals>
+              <goal>test</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.7</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies> 
 </project>

pom.xml

@@ -19,13 +19,15 @@
 	<modules>
 		<module>targets</module>
 
-                <module>com.ibm.wala.core.testdata</module>
 
 		<module>com.ibm.wala-feature</module>
 		<module>com.ibm.wala.core</module>
 		<module>com.ibm.wala.shrike</module>
 		<module>com.ibm.wala.util</module>
 
+                <module>com.ibm.wala.core.testdata</module>
+                <module>com.ibm.wala.core.tests</module>
+
 		<module>com.ibm.wala.cast</module>
 		<module>com.ibm.wala.cast.java</module>
 		<module>com.ibm.wala.cast.java.polyglot</module>