tests/SIGCM2.Application.Tests/Common/PermisoResolverTests.cs

@@ -44,7 +44,7 @@ public sealed class PermisoResolverTests
 
         Assert.DoesNotContain("A", result);
         Assert.Contains("B", result);
-        Assert.Equal(1, result.Count);
+        Assert.Single(result);
     }
 
     // R-04: Grant duplicado (ya en rol) → idempotente, no duplicados

tests/SIGCM2.Application.Tests/Common/TempPasswordGeneratorTests.cs

@@ -66,10 +66,10 @@ public class TempPasswordGeneratorTests
         {
             var pwd = TempPasswordGenerator.Generate(12);
             Assert.True(pwd.Length >= 12);
-            Assert.True(pwd.Any(char.IsUpper));
-            Assert.True(pwd.Any(char.IsLower));
-            Assert.True(pwd.Any(char.IsDigit));
-            Assert.True(pwd.Any(c => symbols.Contains(c)));
+            Assert.Contains(pwd, char.IsUpper);
+            Assert.Contains(pwd, char.IsLower);
+            Assert.Contains(pwd, char.IsDigit);
+            Assert.Contains(pwd, c => symbols.Contains(c));
         }
     }
 

tests/SIGCM2.Application.Tests/Infrastructure/Audit/JsonSanitizerTests.cs

@@ -154,9 +154,17 @@ public sealed class JsonSanitizerTests
 
         var input = new
         {
-            password = "1", passwordHash = "2", token = "3", refreshToken = "4",
-            accessToken = "5", cvv = "6", card = "7", cardNumber = "8",
-            secret = "9", apiKey = "10", privateKey = "11",
+            password = "1",
+            passwordHash = "2",
+            token = "3",
+            refreshToken = "4",
+            accessToken = "5",
+            cvv = "6",
+            card = "7",
+            cardNumber = "8",
+            secret = "9",
+            apiKey = "10",
+            privateKey = "11",
             keep = "yes",
         };
 

tests/SIGCM2.Application.Tests/TiposDeIva/List/ListTiposDeIvaQueryHandlerTests.cs

@@ -42,7 +42,7 @@ public class ListTiposDeIvaQueryHandlerTests
 
         var result = await _handler.Handle(new ListTiposDeIvaQuery(1, 10, null, null));
 
-        Assert.Equal(0, result.Items.Count);
+        Assert.Empty(result.Items);
         Assert.Equal(0, result.Total);
     }