Use pass thru.tests.version not custom installCheckPhase script

        fi

      '';

    doInstallCheck = true;

    installCheckPhase = ''

      echo "Checking 'java -version' output contains ${dist.jdkVersion}, 'OpenJDK', and 'Zulu'"

      output=`$out/bin/java -version 2>&1`

      # Our Zulu 23 package is a special case (and should be deleted as it is End-of-Life)

      expected_version=$(if [[ "${dist.jdkVersion}" == 23* ]]; then echo 23; else echo "${dist.jdkVersion}"; fi)

      echo "Output is: $output"

      echo "$output" | grep -q "$expected_version"

      echo "$output" | grep -q "OpenJDK"

      echo "$output" | grep -q "Zulu"

    '';

  passthru.tests.version = testers.testVersion {

    package = jdk;

    command = "java -version";

    version = ''openjdk version "${if lib.versions.major version == "23" then "23" else version}"'';

  };

    preFixup =

      ''

        # Propagate the setJavaClassPath setup hook from the ${if isJdk8 then "JRE" else "JDK"} so that