message: use ospInit() to initialize tests
diff: @@ -10,9 +10,10 @@ int main(int argc, char **argv)
  {
  ::testing::InitGoogleTest(&argc, argv);
  + ospInit(&argc, (const char **)argv);
  +
  {
  - ospLoadModule("ispc");
  - cpp::Device device("cpu");
  + cpp::Device device = cpp::Device::current();
  device.setErrorFunc([](OSPError error, const char *errorDetails) {
  std::cerr << "OSPRay error: " << errorDetails << std::endl;
  @@ -28,7 +29,6 @@ int main(int argc, char **argv)
  device.setParam("logLevel", logLevel);
  device.commit();
  - device.setCurrent();
  }
  ospEnv = new OSPRayEnvironment(argc, argv);
  