diff --git a/src/main.rs b/src/main.rs
index 617f72133..ea7493ee3 100755
--- a/src/main.rs
+++ b/src/main.rs
@@ -3387,6 +3387,21 @@ mod tests {
         test_virtio_fs(false, None, "none", &prepare_virtiofsd)
     }
 
+    #[cfg_attr(not(feature = "mmio"), test)]
+    fn test_virtio_fs_dax_on_default_cache_size_w_vhost_user_fs_daemon() {
+        test_virtio_fs(true, None, "none", &prepare_vhost_user_fs_daemon)
+    }
+
+    #[cfg_attr(not(feature = "mmio"), test)]
+    fn test_virtio_fs_dax_on_cache_size_1_gib_w_vhost_user_fs_daemon() {
+        test_virtio_fs(
+            true,
+            Some(0x4000_0000),
+            "none",
+            &prepare_vhost_user_fs_daemon,
+        )
+    }
+
     #[cfg_attr(not(feature = "mmio"), test)]
     fn test_virtio_fs_dax_off_w_vhost_user_fs_daemon() {
         test_virtio_fs(false, None, "none", &prepare_vhost_user_fs_daemon)