Test DS connection in pool, gone?

There used to be an operation to verify a datasource connection. On recent master it's gone?

[ERROR] "outcome" => "failed",
[ERROR] "failure-description" => "JBAS015850: No handler for operation test-connection-in-pool at address [
[ERROR] (\"profile\" => \"default\"),
[ERROR] (\"subsystem\" => \"datasources\"),
[ERROR] (\"data-source\" => \"ExampleDS\")
[ERROR] ]",