Enabled SingleNode Acceptance test

Author: nfx

CHANGELOG.md

@@ -7,6 +7,7 @@
 * Fixed incorrect HTTP 404 handling on create ([#564](https://github.com/databrickslabs/terraform-provider-databricks/issues/564), [#576](https://github.com/databrickslabs/terraform-provider-databricks/issues/576))
 * Fixed incorrect escaping of notebook names ([#566](https://github.com/databrickslabs/terraform-provider-databricks/pull/566))
 * Fixed entitlements for databricks_group ([#549](https://github.com/databrickslabs/terraform-provider-databricks/pull/549))
+* Fixed rate limiting to perform more than 1 request per second ([#577](https://github.com/databrickslabs/terraform-provider-databricks/pull/577))
 * Added support for spot instances on Azure ([#571](https://github.com/databrickslabs/terraform-provider-databricks/pull/571))
 * Added job schedules support for `pause_status` as a optional field. ([#575](https://github.com/databrickslabs/terraform-provider-databricks/pull/575))
 * Fixed minor documentation issues.

compute/acceptance/cluster_test.go

@@ -70,6 +70,9 @@ func TestAccClusterResource_CreateSingleNodeCluster(t *testing.T) {
 					"spark.databricks.cluster.profile" = "singleNode"
 					"spark.master" = "local[*]"
 				}
+				custom_tags = {
+					"ResourceClass" = "SingleNode"
+				}
 				{var.AWS_ATTRIBUTES}
 			}`,
 		},