Enforce FA alternative.

.editorconfig

@@ -46,10 +46,14 @@ dotnet_diagnostic.CA2254.severity = warning # Template should be a static expres
 dotnet_diagnostic.CS8763.severity = warning # A method marked [DoesNotReturn] should not return.
 dotnet_diagnostic.CS8770.severity = warning # Method lacks [DoesNotReturn] annotation to match implemented or overridden member.
 
+dotnet_diagnostic.FAA0004.severity = error  # Replace NUnit assertion with Fluent Assertions equivalent
+
 dotnet_diagnostic.NUnit1001.severity = none       # The individual arguments provided by a TestCaseAttribute must match the type of the corresponding parameter of the method
 dotnet_diagnostic.NUnit2005.severity = suggestion # Consider using Assert.That(actual, Is.EqualTo(expected)) instead of Assert.AreEqual(expected, actual)
 dotnet_diagnostic.NUnit2021.severity = warning    # Incompatible types for EqualTo constraint
 
+
+
 dotnet_diagnostic.QW0001.severity = none    # Use a testable Time Provider
 dotnet_diagnostic.QW0010.severity = none    # Use DateOnly instead of Date
 dotnet_diagnostic.QW0003.severity = warning # Decorate Pure functions

specs/Qowaiv.Specs/Reflection/QowaivType_specs.cs

@@ -19,6 +19,7 @@ public void Is_false_for_object()
 
     [Test]
     public void Is_false_for_non_default_primitive()
+
         => Assert.That(QowaivType.IsNullOrDefaultValue(17), Is.False);
 }
 
@@ -39,7 +40,9 @@ public class NotNullableType
     [TestCase(typeof(string))]
     [TestCase(typeof(int))]
     public void Returns_type_for_non_nullable(Type type)
+#pragma warning disable FAA0004 // Replace NUnit assertion with Fluent Assertions equivalent
         => Assert.That(QowaivType.GetNotNullableType(type), Is.EqualTo(type));
+#pragma warning restore FAA0004 // Replace NUnit assertion with Fluent Assertions equivalent
 
     [Test]
     public void Returns_underlying_type_for_nullable()

specs/Qowaiv.Specs/_Legacy/.editorconfig

@@ -0,0 +1,3 @@
+# Static coce analysis
+[*]
+dotnet_diagnostic.FAA0004.severity = suggestion # Replace NUnit assertion with Fluent Assertions equivalent