Fixed file name - some file systems are case-sensitive!

MeshModel/src/test/java/cz/fidentis/analyst/mesh/io/MeshObjLoaderTest.java

@@ -127,7 +127,7 @@ public class MeshObjLoaderTest {
     
     @Test
     void validFileTetrahedronTest() throws IOException {
-        File tetrahedron = new File(testFileDirectory.toFile(), "tetrahedron.obj");
+        File tetrahedron = new File(testFileDirectory.toFile(), "Tetrahedron.obj");
         MeshModel m = MeshObjLoader.read(tetrahedron);
         assertEquals(m.getFacets().get(0).getCornerTable().getSize(), 12);
         assertEquals(m.getFacets().get(0).getNumberOfVertexes(), 12);