test(ui): Simplify macro usage.

This patch declares the type of the expected value for `assert pos`.

Author: Hywan

crates/matrix-sdk-ui/tests/integration/room_list_service.rs

@@ -518,7 +518,7 @@ async fn test_sync_resumes_from_previous_state() -> Result<(), Error> {
         sync_then_assert_request_and_fake_response! {
             [server, room_list, sync]
             states = Init => SettingUp,
-            assert pos None::<String>,
+            assert pos None,
             assert request >= {
                 "lists": {
                     ALL_ROOMS: {
@@ -621,7 +621,7 @@ async fn test_sync_resumes_from_previous_state_after_restart() -> Result<(), Err
         sync_then_assert_request_and_fake_response! {
             [server, room_list, sync]
             states = Init => SettingUp,
-            assert pos None::<String>,
+            assert pos None,
             assert request >= {
                 "lists": {
                     ALL_ROOMS: {

crates/matrix-sdk-ui/tests/integration/sliding_sync.rs

@@ -122,7 +122,8 @@ macro_rules! sliding_sync_then_assert_request_and_fake_response {
 
                     // Validate `pos` from the query parameter if specified.
                     $(
-                    match $pos {
+                    let pos: Option<&str> = $pos;
+                    match pos {
                         Some(pos) => assert!(wiremock::matchers::query_param("pos", pos).matches(request)),
                         None => assert!(wiremock::matchers::query_param_is_missing("pos").matches(request)),
                     }