removed file check from Circulant Embedding

mlmc/tests/generators/TestCirculantEmbedding.cpp

@@ -2,7 +2,6 @@
 #include "MeshesCreator.hpp"
 
 #include "TestEnvironment.hpp"
-#include <filesystem>
 
 
 class TestCirculantEmbedding : public Test {
@@ -11,10 +10,7 @@ protected:
 
   int samples = 2;
 
-  TestCirculantEmbedding() {
-    std::filesystem::remove_all("data/vtu/");
-    std::filesystem::create_directory("data/vtu/");
-  }
+  TestCirculantEmbedding() {}
 
   void TearDown() override {
     PPM->Barrier(0);
@@ -40,16 +36,15 @@ TEST_F(TestCirculantEmbedding, TestDrawSample) {
       SampleID idFine(level, sample, 0, "Kappa");
       circEmb.DrawSample(idFine);
 
-      PPM->Barrier(0);
-      std::string file = "data/vtu/" + idFine.IdString() + ".vtu";
-      EXPECT_TRUE(std::filesystem::exists(file));
+      for (cell c = meshes->fineMesh().cells(); c != meshes->fineMesh().cells_end(); c++)
+        EXPECT_TRUE(circEmb.EvalSample(c)[0][0] > 0);
 
       SampleID idCoarse(level, sample, 1, "Kappa");
       circEmb.DrawSample(idCoarse);
 
-      PPM->Barrier(0);
-      file = "data/vtu/" + idCoarse.IdString() + ".vtu";
-      EXPECT_TRUE(std::filesystem::exists(file));
+      for (cell c = meshes->coarseMesh().cells(); c != meshes->coarseMesh().cells_end(); c++)
+        EXPECT_TRUE(circEmb.EvalSample(c)[0][0] > 0);
+
     }
 
     delete meshes;