@Test
    void clientShouldRejectInvalidSchemeOrAuthority() {
        assertRejected(forClient("ht%tp://acme")); // bad scheme
        assertRejected(forClient("http://[acme")); // bad authority
        assertRejected(forClient("http:///"));     // empty authority
    }
{@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