diff --git a/provider/resource_opensearch_roles_mapping_test.go b/provider/resource_opensearch_roles_mapping_test.go
index 06aa464..62d6b21 100644
--- a/provider/resource_opensearch_roles_mapping_test.go
+++ b/provider/resource_opensearch_roles_mapping_test.go
@@ -26,6 +26,27 @@ func TestAccOpensearchOpenDistroRolesMapping(t *testing.T) {
 		Providers:    testAccOpendistroProviders,
 		CheckDestroy: testAccCheckOpensearchRolesMappingDestroy,
 		Steps: []resource.TestStep{
+			{
+				Config: testAccOpenDistroRoleMappingTestOnlyUser(randomName),
+				Check: resource.ComposeTestCheckFunc(
+					testCheckOpensearchRolesMappingExists("opensearch_roles_mapping.test"),
+					resource.TestCheckResourceAttr(
+						"opensearch_roles_mapping.test",
+						"id",
+						"readall",
+					),
+					resource.TestCheckResourceAttr(
+						"opensearch_roles_mapping.test",
+						"users.#",
+						"1",
+					),
+					resource.TestCheckResourceAttr(
+						"opensearch_roles_mapping.test",
+						"description",
+						randomName,
+					),
+				),
+			},
 			{
 				Config: testAccOpenDistroRolesMappingResource(randomName),
 				Check: resource.ComposeTestCheckFunc(
@@ -128,3 +149,17 @@ resource "opensearch_roles_mapping" "test" {
 }
 	`, resourceName)
 }
+
+func testAccOpenDistroRoleMappingTestOnlyUser(resourceName string) string {
+	return fmt.Sprintf(`
+resource "opensearch_roles_mapping" "test" {
+  role_name = "readall"
+  users = [
+    "admin",
+    
+  ]
+
+  description = "%s"
+}
+	`, resourceName)
+}