Refactor `AbstractSimpleTransportTestCase` and `MockTransportService` to not use `Version.transportVersion` 
test/framework/src/main/java/org/elasticsearch/transport/AbstractSimpleTransportTestCase.java
.put("transport.publish_host", "another_publish_host")
            .put("transport.port", "9702-9802")
            .put("transport.bind_host", "another_bind_host")
            .put(globalSettings2)
            .build();
        Settings defaultProfileSettings = Settings.builder()
            .put("transport.profiles.default.tcp.no_delay", enable)
            .put("transport.profiles.default.tcp.keep_alive", enable)
            .put("transport.profiles.default.tcp.keep_idle", "42")
            .put("transport.profiles.default.tcp.keep_interval", "7")
            .put("transport.profiles.default.tcp.keep_count", "13")
            .put("transport.profiles.default.tcp.reuse_address", enable)
            .put("transport.profiles.default.tcp.send_buffer_size", "43000b")
            .put("transport.profiles.default.tcp.receive_buffer_size", "42000b")
            .put("transport.profiles.default.port", "9700-9800")
            .put("transport.profiles.default.publish_host", "the_publish_host")
            .put("transport.profiles.default.bind_host", "the_bind_host")
            .put("transport.profiles.default.publish_port", 42)
            .put(randomBoolean() ? transportSettings2 : globalSettings2) 
            .build();
        Settings profileSettings = Settings.builder()
            .put("transport.profiles.some_profile.tcp.no_delay", enable)
            .put("transport.profiles.some_profile.tcp.keep_alive", enable)
            .put("transport.profiles.some_profile.tcp.keep_idle", "42")
            .put("transport.profiles.some_profile.tcp.keep_interval", "7")
            .put("transport.profiles.some_profile.tcp.keep_count", "13")
            .put("transport.profiles.some_profile.tcp.reuse_address", enable)
            .put("transport.profiles.some_profile.tcp.send_buffer_size", "43000b")
            .put("transport.profiles.some_profile.tcp.receive_buffer_size", "42000b")
            .put("transport.profiles.some_profile.port", "9700-9800")