message: fix warnings found in tests
diff: @@ -177,6 +177,7 @@ namespace OSPRayTestScenes {
  camera.setParam("up", vec3f(0.f, 1.f, 0.f));
  renderer = cpp::Renderer(rendererType);
  + if (rendererType == "scivis")
  renderer.setParam("aoSamples", 0);
  renderer.setParam("backgroundColor", vec3f(1.0f));
  renderer.setParam("pixelSamples", samplesPerPixel);
  @@ -220,11 +221,12 @@ namespace OSPRayTestScenes {
  renderer.setParam("pixelSamples", 16);
  renderer.setParam("backgroundColor", vec4f(0.2f, 0.2f, 0.4f, 1.0f));
  - // scivis params
  + if (rendererType == "scivis") {
  renderer.setParam("aoSamples", 16);
  renderer.setParam("aoIntensity", 1.f);
  - // pathtracer params
  + } else if (rendererType == "pathtracer") {
  renderer.setParam("maxPathLength", 2);
  + }
  cpp::Geometry sphere("sphere");
  cpp::Geometry inst_sphere("sphere");
  @@ -423,6 +425,7 @@ namespace OSPRayTestScenes {
  vec3f Ks) -> cpp::Material {
  cpp::Material mat(rendererType, "obj");
  mat.setParam("kd", Kd);
  + if (rendererType == "pathtracer")
  mat.setParam("ks", Ks);
  mat.commit();
  