private static RequestTargetWithRawPath parse(Mode mode, String rawPath) {
        switch (mode) {
            case SERVER:
                return forServer(rawPath);
            case CLIENT:
                return forClient(rawPath);
            default:
                throw new Error();
        }
    }
{@link RequestTarget} treats the first `=` in a query parameter as `/` internally to simplify
the detection the logic. This test makes sure the `=` appeared later is not treated as `/`.
core/src/test/java/com/linecorp/armeria/internal/common/DefaultRequestTargetTest.java