Implemented TLazy + Tests

Test/TestSignals_Dirty.pas

@@ -105,7 +105,7 @@ end;
 
 function TTestMycDirtyFlag.CreateAndPrepareDirtyFlag(StartDirty: Boolean = True): IMycDirty;
 begin
-  Result := TState.CreateDirty; // Initially dirty
+  Result := TDirty.Construct; // Initially dirty
   if not StartDirty then
     Result.Reset; // Reset to make it clean
   Assert.AreEqual(StartDirty, Result.State.IsSet, 'CreateAndPrepareDirtyFlag initial state incorrect.');
@@ -127,7 +127,7 @@ procedure TTestMycDirtyFlag.TestCreate_InitialStateIsDirty;
 var
   dirtyFlag: IMycDirty;
 begin
-  dirtyFlag := TState.CreateDirty;
+  dirtyFlag := TDirty.Construct;
   Assert.IsTrue(dirtyFlag.State.IsSet, 'Newly created dirty flag should be IsSet (dirty).');
 end;