add derby dependency for TestSuite

Author: chutium

sql/core/pom.xml

@@ -73,6 +73,11 @@
       <artifactId>junit</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apache.derby</groupId>
+      <artifactId>derby</artifactId>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.scalatest</groupId>
       <artifactId>scalatest_${scala.binary.version}</artifactId>