Test Refactoring of signals

Src/Myc.Test.Lazy.pas

@@ -12,7 +12,7 @@ type
     [TestFixture]
     TTestMyLazy = class(TObject)
     private
-        FChangingSignal: IMycDirty; // Used as the 'Changing' state for functional lazy objects
+        FChangingSignal: IMycFlag; // Used as the 'Changing' state for functional lazy objects
 
         // Helper to consume the initial pop, which is always expected to succeed
         // for a TLazy wrapping a functional lazy object due to "Changed.IsSet initially true" design.
@@ -76,7 +76,7 @@ begin
     // Create a common signal source for tests that need it.
     // TState.CreateDirty is from Myc.Signals.pas (interface part)
     // Its implementation might rely on Myc.Core.Signals, but that's an indirect usage.
-    FChangingSignal := TDirty.Construct;
+    FChangingSignal := TFlag.CreateFlag;
     FChangingSignal.Reset; // Start with a clean (not set) signal for predictable test starts
 end;
 
@@ -306,9 +306,9 @@ end;
 procedure TTestMyLazy.TestConstruct_Destruction_UnsubscribesAndNoCrashOnSourceNotify;
 var
     lazyIntf: IMycLazy<Integer>;
-    localChangingSignal: IMycDirty; // Use a local signal for this test to control its lifetime
+    localChangingSignal: IMycFlag; // Use a local signal for this test to control its lifetime
 begin
-    localChangingSignal := TDirty.Construct;
+    localChangingSignal := TFlag.CreateFlag;
     localChangingSignal.Reset;
 
     lazyIntf := TLazy<Integer>.Construct(localChangingSignal.State, function: Integer begin Result := 1; end);