Function msgFn

packages/private/testing/matchers/index.ts:172–172

(msg: string)

        compare: function (actualFixture: any, expectedComponentType: Type<any>) {
          const failOutput = arguments[2];
          const msgFn = (msg: string): string => [msg, failOutput].filter(Boolean).join(', ');

          // verify correct actual type
          if (!(actualFixture instanceof ComponentFixture)) {