diff --git a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
index 7ac1740f..e0b900eb 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
@@ -728,22 +728,30 @@ bool ClassFlowPostProcessing::doFlow(string zwtime)
             }
             else
             {
-                printf("checkDigitIncreaseConsistency = true - no digital numbers defined!\n"); 
+                #ifdef SERIAL_DEBUG
+                    printf("checkDigitIncreaseConsistency = true - no digital numbers defined!\n"); 
+                #endif
             }
         }
 
         #ifdef SERIAL_DEBUG
             printf("After checkDigitIncreaseConsistency: Value %f\n", NUMBERS[j]->Value);  
         #endif
-
+               
 
         if (!NUMBERS[j]->AllowNegativeRates)
         {
             if ((NUMBERS[j]->Value < NUMBERS[j]->PreValue))
             {
+                #ifdef SERIAL_DEBUG
+                    printf("Neg: value=%f, preValue=%f, preToll%f\n", NUMBERS[j]->Value, NUMBERS[j]->PreValue,
+                     NUMBERS[j]->PreValue-(2/pow(10, NUMBERS[j]->Nachkomma))
+                      ) ;
+                #endif
                 // Bei isExtendedResolution Ungenauigkeit von 0.2 mit einrechnen.
-                if (NUMBERS[j]->Value < (NUMBERS[j]->PreValue-0.2) && NUMBERS[j]->isExtendedResolution) {
+                if (NUMBERS[j]->Value >= (NUMBERS[j]->PreValue-(2/pow(10, NUMBERS[j]->Nachkomma))) && NUMBERS[j]->isExtendedResolution) {
                     NUMBERS[j]->Value = NUMBERS[j]->PreValue;
+                    NUMBERS[j]->ReturnValue = to_string(NUMBERS[j]->PreValue);
                 } else {
                     NUMBERS[j]->ErrorMessageText = NUMBERS[j]->ErrorMessageText + "Neg. Rate - Read: " + zwvalue + " - Raw: " + NUMBERS[j]->ReturnRawValue + " - Pre: " + RundeOutput(NUMBERS[j]->PreValue, NUMBERS[j]->Nachkomma) + " "; 
                     NUMBERS[j]->Value = NUMBERS[j]->PreValue;
@@ -929,9 +937,6 @@ float ClassFlowPostProcessing::checkDigitConsistency(double input, int _decilams
         printf("checkDigitConsistency: pot=%d, decimalshift=%d\n", pot, _decilamshift);
     #endif
     pot_max = ((int) log10(input)) + 1;
-    #ifdef SERIAL_DEBUG
-        printf("checkDigitConsistency: not_checked_input=%f\n", not_checked_input);
-    #endif
     while (pot <= pot_max)
     {
         zw = input / pow(10, pot-1);
diff --git a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h
index 0d99958d..9d63804b 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h
+++ b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h
@@ -49,6 +49,7 @@ public:
     bool PreValueUse;
 
     ClassFlowPostProcessing(std::vector<ClassFlow*>* lfc, ClassFlowCNNGeneral *_analog, ClassFlowCNNGeneral *_digit);
+    virtual ~ClassFlowPostProcessing(){};
     bool ReadParameter(FILE* pfile, string& aktparamgraph);
     bool doFlow(string time);
     string getReadout(int _number);
diff --git a/code/test/components/jomjol-flowcontroll/test_flow.cpp b/code/test/components/jomjol-flowcontroll/test_flow.cpp
new file mode 100644
index 00000000..41d02a75
--- /dev/null
+++ b/code/test/components/jomjol-flowcontroll/test_flow.cpp
@@ -0,0 +1,142 @@
+#include "test_flow.h"
+
+
+UnderTestPost* setUpClassFlowPostprocessing(t_CNNType digType, t_CNNType anaType)
+{
+    
+    ClassFlowCNNGeneral* _analog;
+    ClassFlowCNNGeneral* _digit;
+    std::vector<ClassFlow*> FlowControll;
+    ClassFlowMakeImage* flowmakeimage;
+
+    // wird im doFlow verwendet
+    flowmakeimage = new ClassFlowMakeImage(&FlowControll);
+    FlowControll.push_back(flowmakeimage);
+
+    // Die Modeltypen werden gesetzt, da keine Modelle verwendet werden.
+    _analog = new ClassFlowCNNGeneral(nullptr, anaType);
+    
+    _digit =  new ClassFlowCNNGeneral(nullptr, digType);
+
+    return new UnderTestPost(&FlowControll, _analog, _digit);
+  
+}
+
+std::string process_doFlow(UnderTestPost* _underTestPost) {
+        string time;
+ 
+    // run test
+    TEST_ASSERT_TRUE(_underTestPost->doFlow(time));
+
+    return _underTestPost->getReadout(0);
+}
+
+
+std::string process_doFlow(std::vector<float> analog, std::vector<float> digits, t_CNNType digType, 
+            bool checkConsistency, bool extendedResolution, int decimal_shift) {
+    // setup the classundertest
+    UnderTestPost* _undertestPost = init_do_flow(analog, digits, digType, checkConsistency, extendedResolution, decimal_shift);
+    printf("SetupClassFlowPostprocessing completed.\n");
+
+    string time;
+    // run test
+    TEST_ASSERT_TRUE(_undertestPost->doFlow(time));
+
+    return _undertestPost->getReadout(0);
+
+}
+
+UnderTestPost* init_do_flow(std::vector<float> analog, std::vector<float> digits, t_CNNType digType, 
+                bool checkConsistency,  bool extendedResolution, int decimal_shift) {
+
+    UnderTestPost* _undertestPost = setUpClassFlowPostprocessing(digType, Analogue100);
+
+
+    // digits
+    if (digits.size()>0) {
+        general* gen_digit = _undertestPost->flowDigit->GetGENERAL("default", true);
+        gen_digit->ROI.clear();
+        for (int i = 0; i<digits.size(); i++) {
+            roi* digitROI = new roi();
+            string name = "digit_" + std::to_string(i);
+            digitROI->name = name;
+            digitROI->result_klasse = (int) digits[i];
+            digitROI->result_float = digits[i];
+            gen_digit->ROI.push_back(digitROI);
+        }
+    }
+
+    // analog
+    if (analog.size()>0) {
+        general* gen_analog = _undertestPost->flowAnalog->GetGENERAL("default", true);
+        gen_analog->ROI.clear();
+
+        for (int i = 0; i<analog.size(); i++) {
+            roi* anaROI = new roi();
+            string name = "ana_" + std::to_string(i);
+            anaROI->name = name;
+            anaROI->result_float = analog[i];
+            gen_analog->ROI.push_back(anaROI);
+        }
+    }
+    printf("Setting up of ROIs completed.\n");
+
+    _undertestPost->InitNUMBERS();
+   
+    setConsitencyCheck(_undertestPost, checkConsistency);
+    setExtendedResolution(_undertestPost, extendedResolution);
+    setDecimalShift(_undertestPost, decimal_shift);
+
+    return _undertestPost;
+
+}
+
+void setPreValue(UnderTestPost* _underTestPost, double _preValue) {
+        if (_preValue>0) {
+        printf("preValue=%f", _preValue);
+        std::vector<NumberPost*>* NUMBERS = _underTestPost->GetNumbers();    
+        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
+            (*NUMBERS)[_n]->PreValue = _preValue;
+        }
+    }
+}
+
+void setAllowNegatives(UnderTestPost* _underTestPost, bool _allowNegatives) {
+        printf("checkConsistency=true\n");
+        std::vector<NumberPost*>* NUMBERS = _underTestPost->GetNumbers();    
+        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
+            (*NUMBERS)[_n]->AllowNegativeRates = _allowNegatives;
+        }
+    
+}
+
+void setConsitencyCheck(UnderTestPost* _underTestPost, bool _checkConsistency) {
+        if (_checkConsistency) {
+        printf("checkConsistency=true\n");
+        std::vector<NumberPost*>* NUMBERS = _underTestPost->GetNumbers();    
+        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
+            (*NUMBERS)[_n]->checkDigitIncreaseConsistency = true;
+        }
+    }
+}
+
+
+void setExtendedResolution(UnderTestPost* _underTestPost, bool _extendedResolution) {
+    if (_extendedResolution ) {
+       std::vector<NumberPost*>* NUMBERS = _underTestPost->GetNumbers();    
+        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
+            (*NUMBERS)[_n]->isExtendedResolution = true;
+        }
+    }
+}
+
+void setDecimalShift(UnderTestPost* _underTestPost, int _decimal_shift) {
+    if (_decimal_shift!=0) {
+        std::vector<NumberPost*>* NUMBERS = _underTestPost->GetNumbers();    
+        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
+            printf("Setting decimal shift on number: %d to %d\n", _n, _decimal_shift);
+            (*NUMBERS)[_n]->DecimalShift = _decimal_shift;
+            (*NUMBERS)[_n]->DecimalShiftInitial = _decimal_shift;   
+        }       
+    }
+}
diff --git a/code/test/components/jomjol-flowcontroll/test_flow.h b/code/test/components/jomjol-flowcontroll/test_flow.h
new file mode 100644
index 00000000..e9f54262
--- /dev/null
+++ b/code/test/components/jomjol-flowcontroll/test_flow.h
@@ -0,0 +1,102 @@
+#pragma once
+#ifndef TEST_FLOW_H
+#define TEST_FLOW_H
+#include <unity.h>
+#include <ClassFlowPostProcessing.h>
+#include <ClassFlowCNNGeneral.h>
+#include <ClassFlowCNNGeneral.h>
+#include <ClassFlowMakeImage.h>
+
+
+
+class UnderTestPost : public ClassFlowPostProcessing {
+    public:
+        UnderTestPost(std::vector<ClassFlow*>* lfc, ClassFlowCNNGeneral *_analog, ClassFlowCNNGeneral *_digit)
+            : ClassFlowPostProcessing::ClassFlowPostProcessing(lfc, _analog, _digit) {}
+        
+        using ClassFlowPostProcessing::InitNUMBERS;
+        using ClassFlowPostProcessing::RundeOutput;
+        using ClassFlowPostProcessing::flowAnalog;
+        using ClassFlowPostProcessing::flowDigit;    
+
+};
+
+/**
+ * @brief Set the Up Class Flow Postprocessing object
+ * 
+ * @param digType the model type of digits
+ * @param anaType the model type of analog
+ * @return UnderTestPost* a created, but not setted up testobject
+ */
+UnderTestPost* setUpClassFlowPostprocessing(t_CNNType digType, t_CNNType anaType);
+
+/**
+ * @brief creates a testobject (including setup). AnalogType is Class100, because all analog types do the same.
+ * 
+ * @param analog the analog recognitions
+ * @param digits the digit recognitions
+ * @param digType the digit model type (default Digital100)
+ * @param checkConsistency sets property checkConsistency (default = false)
+ * @param extendedResolution sets property extendedResolution (default = false)
+ * @param decimal_shift set property decimal_shift (Nachkommastellen, default = 0)
+ * @return UnderTestPost* the created testobject
+ */
+UnderTestPost* init_do_flow(std::vector<float> analog, std::vector<float> digits, t_CNNType digType = Digital100, 
+                bool checkConsistency=false,  bool extendedResolution=false, int decimal_shift=0);
+
+/**
+ * @brief creates a testobject an run do flow (including setup). AnalogType is Class100, because all analog types do the same.
+ * 
+ * @param analog the analog recognitions
+ * @param digits the digit recognitions
+ * @param digType the digit model type (default Digital100)
+ * @param checkConsistency sets property checkConsistency (default = false)
+ * @param extendedResolution sets property extendedResolution (default = false)
+ * @param decimal_shift set property decimal_shift (Nachkommastellen, default = 0)
+ * @return std::string the return value of do_Flow is the Value as string
+ */
+std::string process_doFlow(std::vector<float> analog, std::vector<float> digits, t_CNNType digType = Digital100, 
+                bool checkConsistency=false,  bool extendedResolution=false, int decimal_shift=0);
+
+/**
+ * @brief run do_Flow on the testobject
+ * 
+ * @param _underTestPost the testobject
+ * @return std::string the return value of do_Flow is the Value as string
+ */
+std::string process_doFlow(UnderTestPost* _underTestPost);
+
+
+/**
+ * @brief Set the Consitency Check on testobject
+ * 
+ * @param _UnderTestPost the testobject
+ * @param _checkConsistency true/false if checkConsistency
+ */
+void setConsitencyCheck(UnderTestPost* _UnderTestPost, bool _checkConsistency);
+
+/**
+ * @brief Set the Pre Value on testobject
+ * 
+ * @param _UnderTestPost the testobject
+ * @param _preValue the previous value
+ */
+void setPreValue(UnderTestPost* _UnderTestPost, double _preValue);
+
+/**
+ * @brief Set the Extended Resolution on undertest
+ * 
+ * @param _UnderTestPost the testobject
+ * @param _extendedResolution true/false 
+ */
+void setExtendedResolution(UnderTestPost* _UnderTestPost, bool _extendedResolution);
+
+/**
+ * @brief Set the Decimal Shift (Nachkomma)
+ * 
+ * @param _UnderTestPost the testobject  
+ * @param decimal_shift  count of nachkomma
+ */
+void setDecimalShift(UnderTestPost* _UnderTestPost, int decimal_shift);
+
+#endif // TEST_FLOW_H
diff --git a/code/test/components/jomjol-flowcontroll/test_flow_pp_negative.cpp b/code/test/components/jomjol-flowcontroll/test_flow_pp_negative.cpp
new file mode 100644
index 00000000..6fd55da7
--- /dev/null
+++ b/code/test/components/jomjol-flowcontroll/test_flow_pp_negative.cpp
@@ -0,0 +1,75 @@
+#include "test_flow.h"
+
+
+
+/**
+ * @brief Testfall für Überprüfung allowNegatives
+ * 
+ */
+void testNegative() {
+        // Ohne decimal_shift
+        std::vector<float> digits = { 1.2, 6.7};
+        std::vector<float> analogs = { 9.5, 8.4};
+        double preValue_extended = 16.985;
+        double preValue = 16.98;
+        
+        const char* expected = "16.98";
+        
+        // extendResolution=false
+        // da kein negativ, sollte kein Error auftreten
+        UnderTestPost* underTestPost = init_do_flow(analogs, digits, Digital100, false, false, 0);
+        setAllowNegatives(underTestPost, false);
+        setPreValue(underTestPost, preValue);
+        std::string result = process_doFlow(underTestPost);
+        TEST_ASSERT_EQUAL_STRING("no error", underTestPost->getReadoutError().c_str());
+        TEST_ASSERT_EQUAL_STRING(expected, result.c_str());
+        delete underTestPost;
+
+        // extendResolution=true
+        // da negativ im Rahmen (letzte Stelle -0.2 > ergebnis), kein Error
+        // Aber der PreValue wird gesetzt
+        underTestPost = init_do_flow(analogs, digits, Digital100, false, true, 0);
+        setAllowNegatives(underTestPost, false);
+        setPreValue(underTestPost, preValue_extended);
+        result = process_doFlow(underTestPost);
+        TEST_ASSERT_EQUAL_STRING("no error", underTestPost->getReadoutError().c_str());
+        TEST_ASSERT_EQUAL_STRING(underTestPost->RundeOutput(preValue_extended, analogs.size()+1).c_str(), result.c_str());
+        delete underTestPost;
+
+        // extendResolution=true
+        // Tolleranz überschritten, Error wird gesetzt, kein ReturnValue
+        preValue_extended = 16.988; // zu groß
+        underTestPost = init_do_flow(analogs, digits, Digital100, false, true, 0);
+        setAllowNegatives(underTestPost, false);
+        setPreValue(underTestPost, preValue_extended);
+        result = process_doFlow(underTestPost);
+        TEST_ASSERT_EQUAL_STRING("Neg. Rate - Read:  - Raw: 16.984 - Pre: 16.988 ", underTestPost->getReadoutError().c_str());
+        TEST_ASSERT_EQUAL_STRING("", result.c_str());
+        delete underTestPost;
+
+        // extendResolution=false
+        // value < preValue
+        preValue = 16.99; // zu groß
+        underTestPost = init_do_flow(analogs, digits, Digital100, false, false, 0);
+        setAllowNegatives(underTestPost, false);
+        setPreValue(underTestPost, preValue_extended);
+        result = process_doFlow(underTestPost);
+        TEST_ASSERT_EQUAL_STRING("Neg. Rate - Read:  - Raw: 16.98 - Pre: 16.99 ", underTestPost->getReadoutError().c_str());
+        TEST_ASSERT_EQUAL_STRING("", result.c_str());
+        delete underTestPost;
+
+
+        // extendResolution=false
+        // value < preValue
+        // Aber Prüfung abgeschaltet => kein Fehler
+        preValue = 16.99; // zu groß
+        underTestPost = init_do_flow(analogs, digits, Digital100, false, false, 0);
+        setAllowNegatives(underTestPost, true);
+        setPreValue(underTestPost, preValue_extended);
+        result = process_doFlow(underTestPost);
+        TEST_ASSERT_EQUAL_STRING("no error", underTestPost->getReadoutError().c_str());
+        TEST_ASSERT_EQUAL_STRING(expected, result.c_str());
+        delete underTestPost;
+
+}
+
diff --git a/code/test/components/jomjol-flowcontroll/test_flowpostprocessing.cpp b/code/test/components/jomjol-flowcontroll/test_flowpostprocessing.cpp
index c8876429..da9e001d 100644
--- a/code/test/components/jomjol-flowcontroll/test_flowpostprocessing.cpp
+++ b/code/test/components/jomjol-flowcontroll/test_flowpostprocessing.cpp
@@ -1,27 +1,6 @@
-#include <unity.h>
-#include <ClassFlowPostProcessing.h>
-#include <ClassFlowCNNGeneral.h>
-#include <ClassFlowCNNGeneral.h>
-#include <ClassFlowMakeImage.h>
-
-void setUpClassFlowPostprocessing(void);
-string process_doFlow(std::vector<float> analog, std::vector<float> digits, t_CNNType digType = Digital100, 
-                bool checkConsistency=false,  bool extendedResolution=false, int decimal_shift=0);
-
-ClassFlowCNNGeneral* _analog;
-ClassFlowCNNGeneral* _digit;
-std::vector<ClassFlow*> FlowControll;
-ClassFlowMakeImage* flowmakeimage;
+#include "test_flow.h"
 
 
-class UnderTestPost : public ClassFlowPostProcessing {
-    public:
-        UnderTestPost(std::vector<ClassFlow*>* lfc, ClassFlowCNNGeneral *_analog, ClassFlowCNNGeneral *_digit)
-            : ClassFlowPostProcessing::ClassFlowPostProcessing(lfc, _analog, _digit) {}
-        using ClassFlowPostProcessing::InitNUMBERS;
-};
-
-UnderTestPost* undertestPost;
 
 
 /**
@@ -32,6 +11,7 @@ UnderTestPost* undertestPost;
  * 
  */
 void test_doFlow() {
+        
         /*
          * 
          * digit1 = 1.2
@@ -458,96 +438,24 @@ void test_doFlow() {
         result = process_doFlow(analogs, digits, Digital100, false, true, 0);
         TEST_ASSERT_EQUAL_STRING(expected_extended, result.c_str());
 
+
+        // Fehler  V12.0.1 "TODO 00211.03480 vs 00211.03580"
+        // Lokal
+        digits = { 4.9, 6.9, 6.8};  // 576.8649 als falsches Ergebnis
+        analogs = {8.6, 6.2, 5.0, 9.0};
+        // fall unklar ob wirklich 577 oder 576, erst mal 577
+        expected = "576.8649";
+        expected_extended= "576.86490";
+        
+        // extendResolution=false
+        result = process_doFlow(analogs, digits, Digital100, false, false, 0);
+        TEST_ASSERT_EQUAL_STRING(expected, result.c_str());
+
+        // checkConsistency=false und extendResolution=true
+        result = process_doFlow(analogs, digits, Digital100, false, true, 0);
+        TEST_ASSERT_EQUAL_STRING(expected_extended, result.c_str());
+
+
 }
 
 
-
-void setUpClassFlowPostprocessing(t_CNNType digType, t_CNNType anaType)
-{
-    
-    // wird im doFlow verwendet
-    flowmakeimage = new ClassFlowMakeImage(&FlowControll);
-    FlowControll.push_back(flowmakeimage);
-
-    // Die Modeltypen werden gesetzt, da keine Modelle verwendet werden.
-    _analog = new ClassFlowCNNGeneral(nullptr, anaType);
-    
-    _digit =  new ClassFlowCNNGeneral(nullptr, digType);
-
-    undertestPost = new UnderTestPost(&FlowControll, _analog, _digit);
-  
-}
-
-
-std::string process_doFlow(std::vector<float> analog, std::vector<float> digits, t_CNNType digType, 
-            bool checkConsistency, bool extendedResolution, int decimal_shift) {
-    // setup the classundertest
-    setUpClassFlowPostprocessing(digType, Analogue100);
-
-    printf("SetupClassFlowPostprocessing completed.\n");
-
-    // digits
-    if (digits.size()>0) {
-        general* gen_digit = _digit->GetGENERAL("default", true);
-        gen_digit->ROI.clear();
-        for (int i = 0; i<digits.size(); i++) {
-            roi* digitROI = new roi();
-            string name = "digit_" + std::to_string(i);
-            digitROI->name = name;
-            digitROI->result_klasse = (int) digits[i];
-            digitROI->result_float = digits[i];
-            gen_digit->ROI.push_back(digitROI);
-        }
-    }
-
-    // analog
-    if (analog.size()>0) {
-        general* gen_analog = _analog->GetGENERAL("default", true);
-        gen_analog->ROI.clear();
-
-        for (int i = 0; i<analog.size(); i++) {
-            roi* anaROI = new roi();
-            string name = "ana_" + std::to_string(i);
-            anaROI->name = name;
-            anaROI->result_float = analog[i];
-            gen_analog->ROI.push_back(anaROI);
-        }
-    }
-    printf("Setting up of ROIs completed.\n");
-
-    undertestPost->InitNUMBERS();
-    if (checkConsistency) {
-        printf("checkConsistency=true\n");
-        std::vector<NumberPost*>* NUMBERS = undertestPost->GetNumbers();    
-        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
-            printf("Setting checkConsistency on number: %d\n", _n);
-            (*NUMBERS)[_n]->checkDigitIncreaseConsistency = true;
-        }
-    }
-    if (extendedResolution ) {
-       std::vector<NumberPost*>* NUMBERS = undertestPost->GetNumbers();    
-        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
-            printf("Setting extendedResolution on number: %d\n", _n);
-            (*NUMBERS)[_n]->isExtendedResolution = true;
-        }
-
-    }
-    if (decimal_shift!=0) {
-        std::vector<NumberPost*>* NUMBERS = undertestPost->GetNumbers();    
-        for (int _n = 0; _n < (*NUMBERS).size(); ++_n) {
-            printf("Setting decimal shift on number: %d to %d\n", _n, decimal_shift);
-            (*NUMBERS)[_n]->DecimalShift = decimal_shift;
-            (*NUMBERS)[_n]->DecimalShiftInitial = decimal_shift;   
-        }       
-    }
-
-    string time;
- 
-    // run test
-    TEST_ASSERT_TRUE(undertestPost->doFlow(time));
-
- 
-    return undertestPost->getReadout(0);
-
-}
-
diff --git a/code/test/test_suite_flowcontroll.cpp b/code/test/test_suite_flowcontroll.cpp
index 10dc3a83..de4343cc 100644
--- a/code/test/test_suite_flowcontroll.cpp
+++ b/code/test/test_suite_flowcontroll.cpp
@@ -1,5 +1,8 @@
 #include <unity.h>
+
+#include "components/jomjol-flowcontroll/test_flow.cpp"
 #include "components/jomjol-flowcontroll/test_flowpostprocessing.cpp"
+#include "components/jomjol-flowcontroll/test_flow_pp_negative.cpp"
 // SD-Card ////////////////////
 #include "nvs_flash.h"
 #include "esp_vfs_fat.h"
@@ -101,6 +104,7 @@ extern "C" void app_main()
   Init_NVS_SDCard();
   UNITY_BEGIN();
 
+  RUN_TEST(testNegative);
   RUN_TEST(test_doFlow);
   
   UNITY_END();