diff --git a/src/test/test_funktionen.c b/src/test/test_funktionen.c
index a49ef97..26c8030 100644
--- a/src/test/test_funktionen.c
+++ b/src/test/test_funktionen.c
@@ -26,4 +26,10 @@ void test_cube(void) {
     TEST_ASSERT_EQUAL_FLOAT(8.0, result);
 }
 
+void test_cubeRoot(void) {
+    float result = cubeRoot(27.0);
+    TEST_ASSERT_EQUAL_FLOAT(3.0, result);
+    // Add more test cases for different inputs and expected outputs
+}
+
 #endif
\ No newline at end of file