public static Map<String, String> toMap(String... bindings) {
        Map<String, String> context = new HashMap<>();
        for (String binding : bindings) {
            String[] entry = binding.split("=");
            context.put(entry[0].trim(), entry[1].trim());
        }
        return context;
    }
Tests referencing a variant which modifies the dimension set,
and also setting a value within that variants subspace.
container-search/src/test/java/com/yahoo/search/query/profile/test/QueryProfileVariantsTestCase.java