client.newCall(request).execute().use {
      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)
      if (it.handshake!!.tlsVersion != TlsVersion.TLS_1_3) {
        System.err.println("Flaky TLSv1.3 with google")
//    assertThat(it.handshake()!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
      }
    }
  }

  @Test
  fun testIfSupported() {

    client.newCall(request).execute().use {
      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)
      if (it.handshake!!.tlsVersion != TlsVersion.TLS_1_3) {
        System.err.println("Flaky TLSv1.3 with google")
//    assertThat(it.handshake()!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
      }
    }
  }

  @Test
  fun testBuildIfSupported() {

        if (mainMethod.parameters.isEmpty()) {
          mainMethod.invoke(null)
        } else {
          mainMethod.invoke(null, arrayOf<String>())
        }
      } else {
        System.err.println("No main for $className")
      }
    } catch (ite: InvocationTargetException) {
      if (!expectedFailure(className, ite.cause!!)) {
        throw ite.cause!!
      }
    }
  }