message: Fix streamline test
diff: @@ -100,7 +100,7 @@ OSPGeometry getStreamline() {
  0.0f, 0.0f, 1.0f, 1.0f,
  1.0f, 0.0f, 0.0f, 1.0f
  };
  - int index[] = { 0, 1, 2};
  + int index[] = { 0, 1};
  OSPGeometry streamlines = ospNewGeometry("streamlines");
  EXPECT_TRUE(streamlines);
  OSPData data = ospNewData(3, OSP_FLOAT3A, vertex);
  @@ -111,7 +111,7 @@ OSPGeometry getStreamline() {
  EXPECT_TRUE(data);
  ospCommit(data);
  ospSetData(streamlines, "vertex.color", data);
  - data = ospNewData(1, OSP_INT3, index);
  + data = ospNewData(2, OSP_INT, index);
  EXPECT_TRUE(data);
  ospCommit(data);
  ospSetData(streamlines, "index", data);
  @@ -155,8 +155,8 @@ TEST_P(SingleObject, simpleCylinder) {
  PerformRenderTest();
  }
  -// single tube
  -TEST_P(SingleObject, DISABLED_simpleStreamlines) {
  +// single streamline
  +TEST_P(SingleObject, simpleStreamlines) {
  OSPGeometry streamlines = ::getStreamline();
  ospSetMaterial(streamlines, GetMaterial());
  ospCommit(streamlines);
  