tests: always use MockQSignal<[]> for signals without parameters

src/tests/utils/mocks/MockKwinClient.ts

@@ -34,15 +34,15 @@ class MockKwinClient {
     private _tile: Tile|null = null;
     public opacity: number = 1.0;
 
-    public readonly fullScreenChanged = new MockQSignal();
-    public readonly desktopsChanged = new MockQSignal();
-    public readonly activitiesChanged = new MockQSignal();
-    public readonly minimizedChanged = new MockQSignal();
+    public readonly fullScreenChanged = new MockQSignal<[]>();
+    public readonly desktopsChanged = new MockQSignal<[]>();
+    public readonly activitiesChanged = new MockQSignal<[]>();
+    public readonly minimizedChanged = new MockQSignal<[]>();
     public readonly maximizedAboutToChange = new MockQSignal<[MaximizedMode]>();
-    public readonly captionChanged = new MockQSignal();
-    public readonly tileChanged = new MockQSignal();
-    public readonly interactiveMoveResizeStarted = new MockQSignal();
-    public readonly interactiveMoveResizeFinished = new MockQSignal();
+    public readonly captionChanged = new MockQSignal<[]>();
+    public readonly tileChanged = new MockQSignal<[]>();
+    public readonly interactiveMoveResizeStarted = new MockQSignal<[]>();
+    public readonly interactiveMoveResizeFinished = new MockQSignal<[]>();
     public readonly frameGeometryChanged = new MockQSignal<[oldGeometry: QmlRect]>();
 
     private windowedFrameGeometry: MockQmlRect;

src/tests/utils/mocks/MockQmlTimer.ts

@@ -2,7 +2,7 @@ class MockQmlTimer {
     public readonly __brand = "QmlObject";
 
     public interval = 0;
-    public readonly triggered = new MockQSignal();
+    public readonly triggered = new MockQSignal<[]>();
 
     public restart() {
         // no need to wait in tests, just fire immediately

src/tests/utils/mocks/MockShortcutHandler.ts

@@ -1,7 +1,7 @@
 class MockShortcutHandler {
     public readonly __brand = "QmlObject";
 
-    public readonly activated: MockQSignal<[]> = new MockQSignal();
+    public readonly activated: MockQSignal<[]> = new MockQSignal<[]>();
 
     public destroy() {}
 }