@ParameterizedTest
    @EnumSource(Mode.class)
    void shouldNormalizePlusSign(Mode mode) {
        assertAccepted(parse(mode, "/+?a+b=c+d"), "/+", "a+b=c+d");
        assertAccepted(parse(mode, "/%2b?a%2bb=c%2bd"), "/+", "a%2Bb=c%2Bd");
    }
{@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