discussed Cited "see, e.g." Bradley v. CMI Industries, Inc. See, e.g., Johnson v. Mayo Yarns, 126 N.C.App. 292 , 484 S.E.2d 840 , disc. rev. denied, 346 N.C. 547 , 488 S.E.2d 802 (1997) (employee’s discharge for refusing to remove Confederate flag decal from his toolbox did not violate public policy); Boesche v. Raleigh-Durham Airport Authority, 111 N.C.App. 149, 153 , 432 S.E.2d 137, 140 , app. dismissed, 336 N.C. 304 , 442 S.E.2d 320 (1994) (termination of airport maintenance mechanic for refusing to submit to employer drug testing does not violate public policy); and Tompkins v. Allen, 107 N.C.App. 620, 623 , 421 S.E.2d 176, 178 , disc. rev. denie…