diff --git a/neuralNetworkTests.c b/neuralNetworkTests.c
index 21ab370..35890ca 100644
--- a/neuralNetworkTests.c
+++ b/neuralNetworkTests.c
@@ -4,11 +4,20 @@
 #include <math.h>
 #include "unity.h"
 #include "neuralNetwork.h"
-
+//Dateischichten sind in neuralNetwork.h definiert
 
 static void prepareNeuralNetworkFile(const char *path, const NeuralNetwork nn)
 {
-    // TODO
+    // Datei oeffnen
+    FILE *fopen(const char *NeuralNetwork, const char *r);
+
+    if (__info2_neural_network_file_format__ == NULL) return 1;
+
+    // Dateiname: __info2_neural_network_file_format__
+    
+
+    // Datei wieder schließen!
+    int fclose(FILE *path);
 }
 
 void test_loadModelReturnsCorrectNumberOfLayers(void)