GATINEAU, Que. — Telus Corp. says it is “very concerned” Rogers Communications Inc. and Shaw Communications Inc. are using the beta-test phase of their recently launched over-the-top (OTT) service to give themselves an undue preference. Rogers and Shaw announced the launch of the Netflix-style service called Shomi in late August. The service will initially be available only to those who subscribe to Internet or TV services through Shaw or Rogers, though Rogers Media president Keith Pelley has said he is “comfortable” other broadcaster distributors will jump on...