refactor(tests): migrate Database.Tests from FluentAssertions to Shouldly

Replace FluentAssertions with Shouldly across all 6 test files (94 tests).
Add ShouldlyExtensions for BeCloseTo and BeEquivalentTo patterns.

NEW/tests/JdeScoping.Database.Tests/Functions/ScalarFunctionTests.cs

@@ -1,7 +1,7 @@
 using Dapper;
-using FluentAssertions;
 using JdeScoping.Core.Models.Search;
 using JdeScoping.Database.Tests.Infrastructure;
+using Shouldly;
 
 namespace JdeScoping.Database.Tests.Functions;
 
@@ -28,7 +28,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeCloseTo(expectedDate, TimeSpan.FromSeconds(1));
+        result.ShouldBeCloseTo(expectedDate, TimeSpan.FromSeconds(1));
     }
 
     [Fact]
@@ -44,7 +44,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -56,7 +56,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = 99999 });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -71,7 +71,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -86,7 +86,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     #endregion
@@ -107,7 +107,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeCloseTo(expectedDate, TimeSpan.FromSeconds(1));
+        result.ShouldBeCloseTo(expectedDate, TimeSpan.FromSeconds(1));
     }
 
     [Fact]
@@ -123,7 +123,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -135,7 +135,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = 99999 });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -150,7 +150,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -165,7 +165,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     #endregion
@@ -185,7 +185,8 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeTrue();
+        result.ShouldNotBeNull();
+        result.Value.ShouldBeTrue();
     }
 
     [Fact]
@@ -201,7 +202,8 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeFalse();
+        result.ShouldNotBeNull();
+        result.Value.ShouldBeFalse();
     }
 
     [Fact]
@@ -213,7 +215,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = 99999 });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -228,7 +230,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     [Fact]
@@ -243,7 +245,7 @@ public class ScalarFunctionTests : DatabaseTestBase
             new { SearchId = searchId });
 
         // Assert
-        result.Should().BeNull();
+        result.ShouldBeNull();
     }
 
     #endregion