public RankProfile compileRankProfile(String rankProfile) {
        return compileRankProfile(rankProfile, Path.fromString("nonexistinng"));
    }
Helper class for setting up and asserting over a Search instance with a rank profile given literally
in the search definition language.

@author geirst
config-model/src/test/java/com/yahoo/schema/processing/RankProfileSearchFixture.java