diff --git a/,github/workflows/ci.yaml b/.github/workflows/ci.yaml
similarity index 100%
rename from ,github/workflows/ci.yaml
rename to .github/workflows/ci.yaml
diff --git a/tests/GeolocationAPI.Tests/Domain/IPTests.cs b/tests/GeolocationAPI.Tests/Domain/IPTests.cs
index 8587452..c7bdf3f 100644
--- a/tests/GeolocationAPI.Tests/Domain/IPTests.cs
+++ b/tests/GeolocationAPI.Tests/Domain/IPTests.cs
@@ -20,7 +20,6 @@ public void TestValidate_WhenValidIP_ThenDoesNotThrow(string validIP)
         [Theory]
         [InlineData("")]
         [InlineData(" ")]
-        [InlineData(null)]
         public void TestValidate_WhenEmptyOrNullIP_ThenThrowsInvalidIPFormat(string invalidIP)
         {
             var ip = new IP(invalidIP);