diff --git a/tests/python_client/chaos/cluster-values.yaml b/tests/python_client/chaos/cluster-values.yaml
index 9ff7f950cd..d6b1ff272d 100644
--- a/tests/python_client/chaos/cluster-values.yaml
+++ b/tests/python_client/chaos/cluster-values.yaml
@@ -128,3 +128,9 @@ pulsar:
       defaultRetentionSizeInMB: "8192"
       backlogQuotaDefaultLimitGB: "8"
       backlogQuotaDefaultRetentionPolicy: producer_exception
+
+extraConfigFiles:
+  user.yaml: |+
+    dataNode:
+      memory:
+        forceSyncEnable: false
\ No newline at end of file
diff --git a/tests/python_client/chaos/standalone-values.yaml b/tests/python_client/chaos/standalone-values.yaml
index 6d1e200d98..52e3f26144 100644
--- a/tests/python_client/chaos/standalone-values.yaml
+++ b/tests/python_client/chaos/standalone-values.yaml
@@ -33,4 +33,10 @@ etcd:
 minio:
   mode: standalone
 pulsar:
-  enabled: false
\ No newline at end of file
+  enabled: false
+
+extraConfigFiles:
+  user.yaml: |+
+    dataNode:
+      memory:
+        forceSyncEnable: false
\ No newline at end of file
diff --git a/tests/python_client/deploy/cluster-values.yaml b/tests/python_client/deploy/cluster-values.yaml
index d22763968c..20e0e43b1e 100644
--- a/tests/python_client/deploy/cluster-values.yaml
+++ b/tests/python_client/deploy/cluster-values.yaml
@@ -125,4 +125,10 @@ pulsar:
       defaultRetentionTimeInMinutes: "10080"
       defaultRetentionSizeInMB: "8192"
       backlogQuotaDefaultLimitGB: "8"
-      backlogQuotaDefaultRetentionPolicy: producer_exception
\ No newline at end of file
+      backlogQuotaDefaultRetentionPolicy: producer_exception
+
+extraConfigFiles:
+  user.yaml: |+
+    dataNode:
+      memory:
+        forceSyncEnable: false
\ No newline at end of file
diff --git a/tests/python_client/deploy/standalone-values.yaml b/tests/python_client/deploy/standalone-values.yaml
index c686210623..6ee763aaea 100644
--- a/tests/python_client/deploy/standalone-values.yaml
+++ b/tests/python_client/deploy/standalone-values.yaml
@@ -33,3 +33,9 @@ minio:
   mode: standalone
 pulsar:
   enabled: false
+
+extraConfigFiles:
+  user.yaml: |+
+    dataNode:
+      memory:
+        forceSyncEnable: false
\ No newline at end of file