Clean up TestExecutorDDL

[teejae]

No description provided.

[systay]

🎉

[teejae]

not sure what this PR has to do w/ local_example.

[morgo]

not sure what this PR has to do w/ local_example.

It looks like it might be a race - it is Local example using k8s on ubuntu-latest, which is a new test that only just merged:

..
W0319 11:26:08.760223   12593 main.go:64] W0319 11:26:08.759593 reparent.go:185] master-elect tablet zone1-0000000100 is not the shard master, proceeding anyway as -force was used
W0319 11:26:08.761121   12593 main.go:64] W0319 11:26:08.760402 reparent.go:191] master-elect tablet zone1-0000000100 is not a master in the shard, proceeding anyway as -force was used
New VSchema object:
{
  "tables": {
    "corder": {

    },
    "customer": {

    },
    "product": {

    }
  }
}
If this is not what you expected, check the input data (as JSON parsing will skip unexpected fields).
Waiting for vtgate to be up...
vtgate is up!
Access vtgate at http://fv-az89.4dgdkf1qd0xexjhfmua0pidohc.cx.internal.cloudapp.net:15001/debug/status
+ mysql -h 127.0.0.1 -P 15306
ERROR 1105 (HY000) at line 1: vtgate: http://fv-az89:15001/: execInsertUnsharded: target: commerce.0.master, used tablet: zone1-100 (fv-az89): vttablet: rpc error: code = FailedPrecondition desc = operation not allowed in state NOT_SERVING
##[error]Process completed with exit code 1.

I'm going to just restart it.

cc @carsonoid

[carsonoid]

@morgo I'm sorry for the trouble. I'll look into the error. I had ran the test several times as part of the PR that initially created it and it never failed. But it's possible that it's just a really rare race condition.