problem: unit tests failed because of enabled jdk ssl implementation

src/test/groovy/io/emeraldpay/dshackle/TlsSetupSpec.groovy

@@ -18,6 +18,7 @@ package io.emeraldpay.dshackle
 
 import io.emeraldpay.dshackle.config.AuthConfig
 import io.netty.handler.ssl.ClientAuth
+import io.netty.handler.ssl.OpenSsl
 import io.netty.handler.ssl.OpenSslServerContext
 import io.netty.handler.ssl.SslContext
 import spock.lang.Specification
@@ -27,6 +28,13 @@ class TlsSetupSpec extends Specification {
 
     TlsSetup tlsSetup = new TlsSetup(new FileResolver(new File("src/test/resources/tls-local")))
 
+    def setup() {
+        // !!!!!!!!!!!!
+        // run test on OS with OpenSSL installed
+        // !!!!!!!!!!!!
+        OpenSsl.ensureAvailability()
+    }
+
     def "TLS disabled"() {
         setup:
         def config = new AuthConfig.ServerTlsAuth(
@@ -52,7 +60,7 @@ class TlsSetupSpec extends Specification {
         act.server
         !act.client
         with((OpenSslServerContext) act) {
-            act.clientAuth == ClientAuth.NONE
+            clientAuth == ClientAuth.NONE
             with((X509CertImpl) keyCertChain[0]) {
                 getIssuerDN().name == "CN=ca.myhost.dev, OU=Blockchain CA, O=My Company"
             }
@@ -75,7 +83,6 @@ class TlsSetupSpec extends Specification {
         act.server
         !act.client
 
-        // run test on OS with OpenSSL installed
         with((OpenSslServerContext) act) {
             clientAuth == ClientAuth.REQUIRE
             with((X509CertImpl) keyCertChain[0]) {