[chore] Force require.EventuallyWithT to fail properly (open-telemetr…

…y#35032)

I noticed on open-telemetry#34720 and open-telemetry#35026 that execution of the test continued
beyond a failure of `require.EventuallyWithT`. Based on the description
alone, I would expect that using `assert` within
`require.EventuallyWithT` should cause execution to stop if the
assertion fails, but it appears this may not be the case. However, this
change apparently works as intended.

receiver/windowseventlogreceiver/receiver_windows_test.go

@@ -327,7 +327,7 @@ func requireExpectedLogRecords(t *testing.T, sink *consumertest.LogsSink, expect
 	// logs sometimes take a while to be written, so a substantial wait buffer is needed
 	require.EventuallyWithT(t, func(c *assert.CollectT) {
 		actualLogRecords = filterAllLogRecordsBySource(t, sink, expectedEventSrc)
-		assert.Len(c, actualLogRecords, expectedEventCount)
+		require.Len(c, actualLogRecords, expectedEventCount)
 	}, 10*time.Second, 250*time.Millisecond)
 
 	return actualLogRecords