diff --git a/unitTests/BaseFunctionTestAbstract.php b/unitTests/BaseFunctionTestAbstract.php
index 11eb6bf..8b25202 100644
--- a/unitTests/BaseFunctionTestAbstract.php
+++ b/unitTests/BaseFunctionTestAbstract.php
@@ -57,7 +57,7 @@ protected function getAssertionPrecision($value)
     protected function complexNumberAssertions($expected, $result)
     {
         if (is_numeric($expected)) {
-            $this->assertEquals($expected, (string) $result, null, $this->getAssertionPrecision($expected));
+            $this->assertEquals($expected, (string) $result, 'Numeric Assertion', $this->getAssertionPrecision($expected));
         } else {
             $expected = new Complex($expected);
             $this->assertEquals(
diff --git a/unitTests/classes/src/ComplexTest.php b/unitTests/classes/src/ComplexTest.php
index 0f617d4..92283ef 100644
--- a/unitTests/classes/src/ComplexTest.php
+++ b/unitTests/classes/src/ComplexTest.php
@@ -30,7 +30,7 @@ protected function getAssertionPrecision($value)
     public function complexNumberAssertions($expected, $result)
     {
         if (is_numeric($expected)) {
-            $this->assertEquals($expected, (string) $result, null, $this->getAssertionPrecision($expected));
+            $this->assertEquals($expected, (string) $result, 'Numeric Assertion', $this->getAssertionPrecision($expected));
         } else {
             $expected = new Complex($expected);
             $this->assertEquals(