diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/hdfs.xml b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/hdfs.xml
index 261d4ba136..ae280a8e45 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/hdfs.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/hdfs.xml
@@ -111,4 +111,19 @@
     <value>true</value>
   </property>
 
+  <property>
+    <name>fs.contract.supports-hflush</name>
+    <value>true</value>
+  </property>
+
+  <property>
+    <name>fs.contract.supports-hsync</name>
+    <value>true</value>
+  </property>
+
+  <property>
+    <name>fs.contract.metadata_updated_on_hsync</name>
+    <value>false</value>
+  </property>
+
 </configuration>
diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/webhdfs.xml b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/webhdfs.xml
index 0cb6dd8a6d..45aaa22642 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/webhdfs.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/resources/contract/webhdfs.xml
@@ -28,4 +28,19 @@
     <value>true</value>
   </property>
 
+  <property>
+    <name>fs.contract.supports-hflush</name>
+    <value>false</value>
+  </property>
+
+  <property>
+    <name>fs.contract.supports-hsync</name>
+    <value>false</value>
+  </property>
+
+  <property>
+    <name>fs.contract.metadata_updated_on_hsync</name>
+    <value>false</value>
+  </property>
+
 </configuration>