ccl/sqlproxyccl: broken tests in Bazel

[rickystewart]

We are making a lot of progress in the migration from make to Bazel. Before we can complete our migration, we need to make sure that all tests in-tree continue to pass when run inside of the Bazel sandbox. The following tests are broken when run in the Bazel sandbox:

pkg/ccl/sqlproxyccl:sqlproxyccl_test

Please help us by doing the following:

• Reproduce the failure locally; for example, with bazel test bazel test pkg/ccl/sqlproxyccl:sqlproxyccl_test, and consult the test logs to see what went wrong
• Identify the root cause of the failure
• If you are able, repair the failure such that the test passes, and submit a PR removing the broken_in_bazel tag from the test (see the linked documentation below)
• If not, take your findings to #bazel in Slack, and we’ll work with you to figure out how we can get the tests working

Helpful documentation:

• How to ensure your tests can run in the Bazel sandbox (consider starting here!)
• How to ensure your code builds with Bazel
• A user's guide to Bazel

[rickystewart]

Just checked on this -- this is still broken. Failures look like this:

=== RUN   TestFrontendAdmitWithClientSSLRequire
    frontend_admitter_test.go:90: 
        	Error Trace:	frontend_admitter_test.go:90
        	Error:      	Received unexpected error:
        	            	open testserver.crt: no such file or directory
        	Test:       	TestFrontendAdmitWithClientSSLRequire

Presumably the tests need to add testserver{.crt,.key,_config.cnf} to their testdata, and then make sure they're accessing those files in the proper way.

[andy-kimball]

Darin, can you take a look at this?