diff --git a/build/test/cache/test_Vsubstract3.c b/build/test/cache/test_Vsubstract3.c
new file mode 100644
index 0000000..3499c10
--- /dev/null
+++ b/build/test/cache/test_Vsubstract3.c
@@ -0,0 +1,39 @@
+#include "src/funktion.h"
+#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_Vsubstract_NeedToImplement(void)
+
+{
+
+    double x3 = 50;
+
+    double z3 = 3;
+
+    double exp = Vsubstract3(x3,z3);
+
+    double result = 47;
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((exp))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(18)));
+
+}
diff --git a/build/test/dependencies/test_Vsubstract3.d b/build/test/dependencies/test_Vsubstract3.d
new file mode 100644
index 0000000..10e5b66
--- /dev/null
+++ b/build/test/dependencies/test_Vsubstract3.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_Vsubstract3.o: test/test_Vsubstract3.c \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h \
+ src/funktion.h
diff --git a/build/test/dependencies/test_Vsubstract3_runner.d b/build/test/dependencies/test_Vsubstract3_runner.d
new file mode 100644
index 0000000..86b4eec
--- /dev/null
+++ b/build/test/dependencies/test_Vsubstract3_runner.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_Vsubstract3_runner.o: \
+ build/test/runners/test_Vsubstract3_runner.c \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h
diff --git a/build/test/out/c/funktion.o b/build/test/out/c/funktion.o
index 897e2a4..8c185a4 100644
Binary files a/build/test/out/c/funktion.o and b/build/test/out/c/funktion.o differ
diff --git a/build/test/out/c/test_Vsubstract3.o b/build/test/out/c/test_Vsubstract3.o
new file mode 100644
index 0000000..28b397c
Binary files /dev/null and b/build/test/out/c/test_Vsubstract3.o differ
diff --git a/build/test/out/c/test_Vsubstract3_runner.o b/build/test/out/c/test_Vsubstract3_runner.o
new file mode 100644
index 0000000..d627697
Binary files /dev/null and b/build/test/out/c/test_Vsubstract3_runner.o differ
diff --git a/build/test/out/test_Akkortrichtsatz.out b/build/test/out/test_Akkortrichtsatz.out
index e876962..fcb423f 100755
Binary files a/build/test/out/test_Akkortrichtsatz.out and b/build/test/out/test_Akkortrichtsatz.out differ
diff --git a/build/test/out/test_Anlagenabnutzungsgrad.out b/build/test/out/test_Anlagenabnutzungsgrad.out
index e826c57..68bf3be 100755
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diff --git a/build/test/out/test_Anlagenintensitaet.out b/build/test/out/test_Anlagenintensitaet.out
index b366391..cd1ed26 100755
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diff --git a/build/test/out/test_Anlagenproduktivitaet.out b/build/test/out/test_Anlagenproduktivitaet.out
index 0cf70b3..4d382d3 100755
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diff --git a/build/test/out/test_Arbeitsproduktivitaet.out b/build/test/out/test_Arbeitsproduktivitaet.out
index 9d2ee82..344edbc 100755
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diff --git a/build/test/out/test_Cashflow_zu_Gesamtkapital.out b/build/test/out/test_Cashflow_zu_Gesamtkapital.out
index ecbfe15..bb22aa9 100755
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diff --git a/build/test/out/test_Dynamische_Amortisationszeit.out b/build/test/out/test_Dynamische_Amortisationszeit.out
index 15661a5..22a82f1 100755
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diff --git a/build/test/out/test_Effektivverzinsung.out b/build/test/out/test_Effektivverzinsung.out
index 65a58ec..e61c679 100755
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diff --git a/build/test/out/test_Finanzierungsregeln.out b/build/test/out/test_Finanzierungsregeln.out
index aa1d637..3651352 100755
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diff --git a/build/test/out/test_GewinnMaximum.out b/build/test/out/test_GewinnMaximum.out
index 8f55f86..0c723f1 100755
Binary files a/build/test/out/test_GewinnMaximum.out and b/build/test/out/test_GewinnMaximum.out differ
diff --git a/build/test/out/test_Kalkulatorische_Zinsen.out b/build/test/out/test_Kalkulatorische_Zinsen.out
index f424bc4..caab85d 100755
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diff --git a/build/test/out/test_Kritische_Menge.out b/build/test/out/test_Kritische_Menge.out
index 3c6c2cd..9b42b45 100755
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diff --git a/build/test/out/test_Stueckzeitakkort.out b/build/test/out/test_Stueckzeitakkort.out
index 36b28ce..5e69ad8 100755
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diff --git a/build/test/out/test_Vadd.out b/build/test/out/test_Vadd.out
index 00b5d8f..a3ad7f9 100755
Binary files a/build/test/out/test_Vadd.out and b/build/test/out/test_Vadd.out differ
diff --git a/build/test/out/test_Vaddx2.out b/build/test/out/test_Vaddx2.out
index 7f95022..e607852 100755
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diff --git a/build/test/out/test_Vaddx3.out b/build/test/out/test_Vaddx3.out
index d36c131..7764d1d 100755
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diff --git a/build/test/out/test_Vlength.out b/build/test/out/test_Vlength.out
index 6259550..3873ec2 100755
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diff --git a/build/test/out/test_Vshift.out b/build/test/out/test_Vshift.out
index 9936c84..44a9704 100755
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diff --git a/build/test/out/test_Vsubstract.out b/build/test/out/test_Vsubstract.out
index 8acb3b6..d5001d8 100755
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diff --git a/build/test/out/test_Vsubstract2.out b/build/test/out/test_Vsubstract2.out
index e1dcb0f..46e4d6b 100755
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diff --git a/build/test/out/test_Vsubstract3.out b/build/test/out/test_Vsubstract3.out
new file mode 100755
index 0000000..f1afdc5
Binary files /dev/null and b/build/test/out/test_Vsubstract3.out differ
diff --git a/build/test/out/test_Zeitlohn.out b/build/test/out/test_Zeitlohn.out
index 7e550ec..ee21764 100755
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diff --git a/build/test/out/test_angebotserfolg.out b/build/test/out/test_angebotserfolg.out
index e7b4aa2..5189241 100755
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diff --git a/build/test/out/test_eigenkapital_Rentabilitaeten.out b/build/test/out/test_eigenkapital_Rentabilitaeten.out
index 2008769..a4507cb 100755
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diff --git a/build/test/out/test_erloesfunktion.out b/build/test/out/test_erloesfunktion.out
index a470454..e2ef585 100755
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diff --git a/build/test/out/test_gesamtkapital_Rentabilitaeten.out b/build/test/out/test_gesamtkapital_Rentabilitaeten.out
index 8351a5d..fe6c1c2 100755
Binary files a/build/test/out/test_gesamtkapital_Rentabilitaeten.out and b/build/test/out/test_gesamtkapital_Rentabilitaeten.out differ
diff --git a/build/test/out/test_grenzGewinn.out b/build/test/out/test_grenzGewinn.out
index f0351c0..b952aa7 100755
Binary files a/build/test/out/test_grenzGewinn.out and b/build/test/out/test_grenzGewinn.out differ
diff --git a/build/test/out/test_marktanteil.out b/build/test/out/test_marktanteil.out
index 874dff2..c29726e 100755
Binary files a/build/test/out/test_marktanteil.out and b/build/test/out/test_marktanteil.out differ
diff --git a/build/test/out/test_trapezFlaeche.out b/build/test/out/test_trapezFlaeche.out
index 23782ad..2cea8be 100755
Binary files a/build/test/out/test_trapezFlaeche.out and b/build/test/out/test_trapezFlaeche.out differ
diff --git a/build/test/preprocess/files/test_Vsubstract3.c b/build/test/preprocess/files/test_Vsubstract3.c
new file mode 100644
index 0000000..3499c10
--- /dev/null
+++ b/build/test/preprocess/files/test_Vsubstract3.c
@@ -0,0 +1,39 @@
+#include "src/funktion.h"
+#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_Vsubstract_NeedToImplement(void)
+
+{
+
+    double x3 = 50;
+
+    double z3 = 3;
+
+    double exp = Vsubstract3(x3,z3);
+
+    double result = 47;
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((exp))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(18)));
+
+}
diff --git a/build/test/preprocess/includes/test_Vsubstract3.c b/build/test/preprocess/includes/test_Vsubstract3.c
new file mode 100644
index 0000000..4e923ea
--- /dev/null
+++ b/build/test/preprocess/includes/test_Vsubstract3.c
@@ -0,0 +1,3 @@
+---
+- "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+- src/funktion.h
diff --git a/build/test/results/test_Akkortrichtsatz.pass b/build/test/results/test_Akkortrichtsatz.pass
index 98025f9..d86a5ac 100644
--- a/build/test/results/test_Akkortrichtsatz.pass
+++ b/build/test/results/test_Akkortrichtsatz.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 552.000000
-:time: 0.0015376649998870562
+:time: 0.0011916439998458372
diff --git a/build/test/results/test_Anlagenabnutzungsgrad.pass b/build/test/results/test_Anlagenabnutzungsgrad.pass
index c2f9200..2420e4b 100644
--- a/build/test/results/test_Anlagenabnutzungsgrad.pass
+++ b/build/test/results/test_Anlagenabnutzungsgrad.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 60.000000
-:time: 0.001700594000340061
+:time: 0.004062791000251309
diff --git a/build/test/results/test_Anlagenintensitaet.pass b/build/test/results/test_Anlagenintensitaet.pass
index b250f02..2da125b 100644
--- a/build/test/results/test_Anlagenintensitaet.pass
+++ b/build/test/results/test_Anlagenintensitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 4878.048780
-:time: 0.001330964999851858
+:time: 0.002316302000053838
diff --git a/build/test/results/test_Anlagenproduktivitaet.pass b/build/test/results/test_Anlagenproduktivitaet.pass
index c284bbc..b76cc53 100644
--- a/build/test/results/test_Anlagenproduktivitaet.pass
+++ b/build/test/results/test_Anlagenproduktivitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 18.203304
-:time: 0.001911656000174844
+:time: 0.0019596529996306344
diff --git a/build/test/results/test_Arbeitsproduktivitaet.pass b/build/test/results/test_Arbeitsproduktivitaet.pass
index 3f6804d..efa20e5 100644
--- a/build/test/results/test_Arbeitsproduktivitaet.pass
+++ b/build/test/results/test_Arbeitsproduktivitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 60.000000
-:time: 0.0018744730000435084
+:time: 0.0014363260002028255
diff --git a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
index cde9279..977816a 100644
--- a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
+++ b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0.158038
-:time: 0.0032855279996510944
+:time: 0.002055373000075633
diff --git a/build/test/results/test_Dynamische_Amortisationszeit.pass b/build/test/results/test_Dynamische_Amortisationszeit.pass
index f93e73f..718ade9 100644
--- a/build/test/results/test_Dynamische_Amortisationszeit.pass
+++ b/build/test/results/test_Dynamische_Amortisationszeit.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 189.421906
-:time: 0.0012006910001218785
+:time: 0.0012149599997428595
diff --git a/build/test/results/test_Effektivverzinsung.pass b/build/test/results/test_Effektivverzinsung.pass
index 0e4399c..da751a2 100644
--- a/build/test/results/test_Effektivverzinsung.pass
+++ b/build/test/results/test_Effektivverzinsung.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 16.034390
-:time: 0.0013134660002833698
+:time: 0.0020793129997400683
diff --git a/build/test/results/test_Finanzierungsregeln.pass b/build/test/results/test_Finanzierungsregeln.pass
index 2cdb620..b98bfbd 100644
--- a/build/test/results/test_Finanzierungsregeln.pass
+++ b/build/test/results/test_Finanzierungsregeln.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0.051041
-:time: 0.0013043779999861727
+:time: 0.001214873000208172
diff --git a/build/test/results/test_GewinnMaximum.pass b/build/test/results/test_GewinnMaximum.pass
index 450c9d8..c46266c 100644
--- a/build/test/results/test_GewinnMaximum.pass
+++ b/build/test/results/test_GewinnMaximum.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 251.000000
-:time: 0.0014107279998825106
+:time: 0.002470935000019381
diff --git a/build/test/results/test_Kalkulatorische_Zinsen.pass b/build/test/results/test_Kalkulatorische_Zinsen.pass
index 2212c9c..f333518 100644
--- a/build/test/results/test_Kalkulatorische_Zinsen.pass
+++ b/build/test/results/test_Kalkulatorische_Zinsen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1.440000
-:time: 0.0012557879999803845
+:time: 0.0015604630002599151
diff --git a/build/test/results/test_Kritische_Menge.pass b/build/test/results/test_Kritische_Menge.pass
index 478f440..60779df 100644
--- a/build/test/results/test_Kritische_Menge.pass
+++ b/build/test/results/test_Kritische_Menge.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss -12.096026
-:time: 0.0018055069999718398
+:time: 0.0016033349997996993
diff --git a/build/test/results/test_Stueckzeitakkort.pass b/build/test/results/test_Stueckzeitakkort.pass
index bf7acf0..d76bb80 100644
--- a/build/test/results/test_Stueckzeitakkort.pass
+++ b/build/test/results/test_Stueckzeitakkort.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - '96600.000000'
-:time: 0.0012287539998396824
+:time: 0.0021118159997968178
diff --git a/build/test/results/test_Vadd.pass b/build/test/results/test_Vadd.pass
index 293836e..07ae2cb 100644
--- a/build/test/results/test_Vadd.pass
+++ b/build/test/results/test_Vadd.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0011927850000574836
+:time: 0.0011882580001838505
diff --git a/build/test/results/test_Vaddx2.pass b/build/test/results/test_Vaddx2.pass
index d8634c1..51e1a89 100644
--- a/build/test/results/test_Vaddx2.pass
+++ b/build/test/results/test_Vaddx2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0015016799998193164
+:time: 0.0017169859997920867
diff --git a/build/test/results/test_Vaddx3.pass b/build/test/results/test_Vaddx3.pass
index 9589666..8a18414 100644
--- a/build/test/results/test_Vaddx3.pass
+++ b/build/test/results/test_Vaddx3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0012079489997631754
+:time: 0.0011498449998725846
diff --git a/build/test/results/test_Vlength.pass b/build/test/results/test_Vlength.pass
index a755c0c..221112e 100644
--- a/build/test/results/test_Vlength.pass
+++ b/build/test/results/test_Vlength.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0013131160003467812
+:time: 0.0013133669999660924
diff --git a/build/test/results/test_Vshift.pass b/build/test/results/test_Vshift.pass
index b2c8eed..68d9be1 100644
--- a/build/test/results/test_Vshift.pass
+++ b/build/test/results/test_Vshift.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0014156890001686406
+:time: 0.002090028000111488
diff --git a/build/test/results/test_Vsubstract.pass b/build/test/results/test_Vsubstract.pass
index 1136be1..2e74cdc 100644
--- a/build/test/results/test_Vsubstract.pass
+++ b/build/test/results/test_Vsubstract.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0012430850001692306
+:time: 0.00182502999996359
diff --git a/build/test/results/test_Vsubstract2.pass b/build/test/results/test_Vsubstract2.pass
index 24f5aa9..ba9846b 100644
--- a/build/test/results/test_Vsubstract2.pass
+++ b/build/test/results/test_Vsubstract2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0012745829999403213
+:time: 0.0012332829996921646
diff --git a/build/test/results/test_Vsubstract3.pass b/build/test/results/test_Vsubstract3.pass
new file mode 100644
index 0000000..b0f306a
--- /dev/null
+++ b/build/test/results/test_Vsubstract3.pass
@@ -0,0 +1,19 @@
+---
+:source:
+  :path: test
+  :file: test_Vsubstract3.c
+:successes:
+- :test: test_Vsubstract_NeedToImplement
+  :line: 12
+  :message: ''
+  :unity_test_time: 0
+:failures: []
+:ignores: []
+:counts:
+  :total: 1
+  :passed: 1
+  :failed: 0
+  :ignored: 0
+:stdout:
+- "(47.000000: "
+:time: 0.004608971999914502
diff --git a/build/test/results/test_Zeitlohn.pass b/build/test/results/test_Zeitlohn.pass
index df82f74..612d1d7 100644
--- a/build/test/results/test_Zeitlohn.pass
+++ b/build/test/results/test_Zeitlohn.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 3450.000000
-:time: 0.001277563000257942
+:time: 0.0016336050002792035
diff --git a/build/test/results/test_angebotserfolg.pass b/build/test/results/test_angebotserfolg.pass
index 990a312..6fd4f8b 100644
--- a/build/test/results/test_angebotserfolg.pass
+++ b/build/test/results/test_angebotserfolg.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 225.000000
-:time: 0.0013663760000781622
+:time: 0.0014144070000838838
diff --git a/build/test/results/test_eigenkapital_Rentabilitaeten.pass b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
index b377ab5..0e464dd 100644
--- a/build/test/results/test_eigenkapital_Rentabilitaeten.pass
+++ b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 62.500000
-:time: 0.0012845739997828787
+:time: 0.001750366000123904
diff --git a/build/test/results/test_erloesfunktion.pass b/build/test/results/test_erloesfunktion.pass
index 960b908..a029b69 100644
--- a/build/test/results/test_erloesfunktion.pass
+++ b/build/test/results/test_erloesfunktion.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 4000.000000
-:time: 0.0018148030003430904
+:time: 0.002237781000076211
diff --git a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
index 80eb560..17fc104 100644
--- a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
+++ b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 27.136929
-:time: 0.0012738159998662013
+:time: 0.002609437000046455
diff --git a/build/test/results/test_grenzGewinn.pass b/build/test/results/test_grenzGewinn.pass
index b684b27..2453bdc 100644
--- a/build/test/results/test_grenzGewinn.pass
+++ b/build/test/results/test_grenzGewinn.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1141.000000
-:time: 0.0012936210000589199
+:time: 0.001293438999709906
diff --git a/build/test/results/test_marktanteil.pass b/build/test/results/test_marktanteil.pass
index ff39fe5..e2a99cb 100644
--- a/build/test/results/test_marktanteil.pass
+++ b/build/test/results/test_marktanteil.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 21.739130
-:time: 0.001565768999626016
+:time: 0.005872603000170784
diff --git a/build/test/results/test_trapezFlaeche.pass b/build/test/results/test_trapezFlaeche.pass
index e534ea9..48aacd0 100644
--- a/build/test/results/test_trapezFlaeche.pass
+++ b/build/test/results/test_trapezFlaeche.pass
@@ -17,4 +17,4 @@
 :stdout:
 - 'Flaeche vom Trapez beträgt: 21.000000'
 - Testergebniss 21.000000
-:time: 0.0023580380002385937
+:time: 0.0012243179999131826
diff --git a/build/test/runners/test_Vsubstract3_runner.c b/build/test/runners/test_Vsubstract3_runner.c
new file mode 100644
index 0000000..4d0d6d0
--- /dev/null
+++ b/build/test/runners/test_Vsubstract3_runner.c
@@ -0,0 +1,81 @@
+/* AUTOGENERATED FILE. DO NOT EDIT. */
+
+/*=======Automagically Detected Files To Include=====*/
+#include "unity.h"
+
+int GlobalExpectCount;
+int GlobalVerifyOrder;
+char* GlobalOrderError;
+
+/*=======External Functions This Runner Calls=====*/
+extern void setUp(void);
+extern void tearDown(void);
+extern void test_Vsubstract_NeedToImplement(void);
+
+
+/*=======Mock Management=====*/
+static void CMock_Init(void)
+{
+  GlobalExpectCount = 0;
+  GlobalVerifyOrder = 0;
+  GlobalOrderError = NULL;
+}
+static void CMock_Verify(void)
+{
+}
+static void CMock_Destroy(void)
+{
+}
+
+/*=======Test Reset Options=====*/
+void resetTest(void);
+void resetTest(void)
+{
+  tearDown();
+  CMock_Verify();
+  CMock_Destroy();
+  CMock_Init();
+  setUp();
+}
+void verifyTest(void);
+void verifyTest(void)
+{
+  CMock_Verify();
+}
+
+/*=======Test Runner Used To Run Each Test=====*/
+static void run_test(UnityTestFunction func, const char* name, UNITY_LINE_TYPE line_num)
+{
+    Unity.CurrentTestName = name;
+    Unity.CurrentTestLineNumber = line_num;
+#ifdef UNITY_USE_COMMAND_LINE_ARGS
+    if (!UnityTestMatches())
+        return;
+#endif
+    Unity.NumberOfTests++;
+    UNITY_CLR_DETAILS();
+    UNITY_EXEC_TIME_START();
+    CMock_Init();
+    if (TEST_PROTECT())
+    {
+        setUp();
+        func();
+    }
+    if (TEST_PROTECT())
+    {
+        tearDown();
+        CMock_Verify();
+    }
+    CMock_Destroy();
+    UNITY_EXEC_TIME_STOP();
+    UnityConcludeTest();
+}
+
+/*=======MAIN=====*/
+int main(void)
+{
+  UnityBegin("test_Vsubstract3.c");
+  run_test(test_Vsubstract_NeedToImplement, "test_Vsubstract_NeedToImplement", 12);
+
+  return UnityEnd();
+}
diff --git a/test/test_Vsubstract3.c b/test/test_Vsubstract3.c
new file mode 100644
index 0000000..88277cc
--- /dev/null
+++ b/test/test_Vsubstract3.c
@@ -0,0 +1,19 @@
+#include "unity.h"
+#include "funktion.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_Vsubstract_NeedToImplement(void)
+{
+    double x3 = 50;
+    double z3 = 3;
+    double exp = Vsubstract3(x3,z3);
+    double result = 47;
+    TEST_ASSERT_EQUAL_FLOAT(result,exp);
+}
\ No newline at end of file