test(router adapters): harden negative intent preload assertions

Author: Sheraff

packages/react-router/tests/link.test.tsx

@@ -4548,9 +4548,8 @@ describe('Link', () => {
       fireEvent.mouseOver(aboutLink)
       fireEvent.touchStart(aboutLink)
 
-      await waitFor(() =>
-        expect(preloadRouteSpy).toHaveBeenCalledTimes(baselineCalls),
-      )
+      await sleep(1)
+      expect(preloadRouteSpy).toHaveBeenCalledTimes(baselineCalls)
     },
   )
 

packages/solid-router/tests/link.test.tsx

@@ -4532,9 +4532,8 @@ describe('Link', () => {
       fireEvent.mouseOver(aboutLink)
       fireEvent.touchStart(aboutLink)
 
-      await waitFor(() =>
-        expect(preloadRouteSpy).toHaveBeenCalledTimes(baselineCalls),
-      )
+      await sleep(1)
+      expect(preloadRouteSpy).toHaveBeenCalledTimes(baselineCalls)
     },
   )
 

packages/vue-router/tests/link.test.tsx

@@ -4555,9 +4555,8 @@ describe('Link', () => {
       fireEvent.mouseOver(aboutLink)
       fireEvent.touchStart(aboutLink)
 
-      await waitFor(() =>
-        expect(preloadRouteSpy).toHaveBeenCalledTimes(baselineCalls),
-      )
+      await sleep(1)
+      expect(preloadRouteSpy).toHaveBeenCalledTimes(baselineCalls)
     },
   )