diff --git a/src/test/java/org/mariadb/jdbc/MariaDbPoolDataSourceTest.java b/src/test/java/org/mariadb/jdbc/MariaDbPoolDataSourceTest.java
index 7f52e2286..b4a371411 100644
--- a/src/test/java/org/mariadb/jdbc/MariaDbPoolDataSourceTest.java
+++ b/src/test/java/org/mariadb/jdbc/MariaDbPoolDataSourceTest.java
@@ -476,7 +476,9 @@ public void ensureUsingPool() throws Exception {
   @Test
   public void ensureClosed() throws Throwable {
     Assume.assumeTrue(
-        System.getenv("MAXSCALE_TEST_DISABLE") == null && System.getenv("SKYSQL_HA") == null);
+        System.getenv("MAXSCALE_TEST_DISABLE") == null
+                && System.getenv("SKYSQL_HA") == null
+                && System.getenv("SKYSQL") == null);
     Thread.sleep(500); // ensure that previous close are effective
     int initialConnection = getCurrentConnections();