This test was previously passing but the limit appears to have been reduced
since.
TF_ACC=1 go test ./builtin/providers/azurerm -v -run TestAccAzureRMServiceBusTopic_enableParti -timeout 120m
=== RUN TestAccAzureRMServiceBusTopic_enablePartitioning
--- PASS: TestAccAzureRMServiceBusTopic_enablePartitioning (377.14s)
PASS
ok github.com/hashicorp/terraform/builtin/providers/azurerm 377.235s