Fix left-over test and release v3.8.1 (#242)

Author: awegrzyn

CMakeLists.txt

@@ -17,7 +17,7 @@ endif()
 
 # Define project
 project(Monitoring
-  VERSION 3.8.0
+  VERSION 3.8.1
   DESCRIPTION "O2 Monitoring library"
   LANGUAGES CXX
 )

test/testMonitoringFactory.cxx

@@ -41,9 +41,6 @@ BOOST_AUTO_TEST_CASE(verbosity)
   auto influxDebug = Monitoring::GetBackend(influxDebugUrl);
   BOOST_CHECK_EQUAL(static_cast<std::underlying_type<Verbosity>::type>(influxDebug->getVerbosity()), 2);
 
-  std::string influxUnixUrl = "influxdb-unix://127.0.0.1:1234/?db=test";
-  auto influxHttp = Monitoring::GetBackend(influxUnixUrl);
-
   std::string ilProdUrl = "stdout:///info";
   auto ilProd = Monitoring::GetBackend(ilProdUrl);
   BOOST_CHECK_EQUAL(static_cast<std::underlying_type<Verbosity>::type>(ilProd->getVerbosity()), 1);