What is the test for making a police report in a matter of public concern?

had a dispute with her tenants,¹ it was not a "matter of political, social, or other concern to the community." See Eng, 552 F.3d at 1071; compare Doe v. County of San Mateo, 2009 U.S. Dist. LEXIS 26084 at *17-18 (N.D. Cal. Mar. 19, 2009) (the filing of "a police report to complain about police misconduct" is a matter of public concern, and is constitutionally protected speech) with Reynolds v. Stovall, 2012 U.S. Dist. LEXIS 49963 at *28 (W.D. Ark. Apr. 10, 2012) (the filing of a police report was not a matter of public concern where it "occurred away from work, and the matter involved a personal, private relationship").