fix(sundb): use the correct JDBC driver class

Closes #10597

agents/drivers/sundb/src/main/java/com/dbx/agent/sundb/SundbAgent.java

@@ -33,7 +33,7 @@ import java.util.Set;
 public final class SundbAgent extends AbstractJdbcAgent {
     @Override
     protected String driverClass() {
-        return "com.sundb.jdbc.SundbDriver";
+        return "csii.sundb.jdbc.SundbDriver";
     }
 
     @Override

agents/drivers/sundb/src/test/java/com/dbx/agent/sundb/SundbAgentTest.java

@@ -2,6 +2,9 @@ package com.dbx.agent.sundb;
 
 import com.dbx.agent.DatabaseAgent;
 import com.dbx.agent.test.JdbcFakeExecutionBehaviorTest;
+import java.lang.reflect.Method;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
 
 class SundbAgentTest extends JdbcFakeExecutionBehaviorTest {
     @Override
@@ -13,4 +16,15 @@ class SundbAgentTest extends JdbcFakeExecutionBehaviorTest {
     protected String resultSetSql() {
         return "CALL sample_proc()";
     }
+
+    @Test
+    void usesTheSunDbJdbcDriverClass() throws Exception {
+        Method driverClass = SundbAgent.class.getDeclaredMethod("driverClass");
+        driverClass.setAccessible(true);
+
+        Assertions.assertEquals(
+            "csii.sundb.jdbc.SundbDriver",
+            driverClass.invoke(new SundbAgent())
+        );
+    }
 }