Fix inferno router #1608

[jhsware]

Closes #1608

[coveralls]

Coverage increased (+0.01%) to 93.284% when pulling ebbb65a on jhsware:fix-inferno-router-#1608 into 4140367 on infernojs:master.

[jhsware]

jest isn't injected in browser test causing

Firefox 105.0 (Mac OS 10.15) A <Link> underneath a <HashRouter> accepts an object `to` prop with state FAILED
        ReferenceError: jest is not defined in test.no-compat.index.1762362208.js (line 68712)
        __webpack_modules__</</<@test.no-compat.index.1762362208.js:68712:5
        <Jasmine>

I think this should be fixed in the test set up, but have no idea of how to configure it.

[Havunen]

LGTM, thank you