diff --git a/crates/matrix-sdk/src/test_utils/mocks.rs b/crates/matrix-sdk/src/test_utils/mocks.rs
index a4bd0bf716f..15ee9080cb4 100644
--- a/crates/matrix-sdk/src/test_utils/mocks.rs
+++ b/crates/matrix-sdk/src/test_utils/mocks.rs
@@ -97,13 +97,9 @@ impl MatrixMockServer {
     /// Overrides the sync/ endpoint with knowledge that the given
     /// invited/joined/knocked/left room exists, runs a sync and returns the
     /// given room.
-    pub async fn sync_room(
-        &self,
-        client: &Client,
-        room_id: &RoomId,
-        room_data: impl Into<AnyRoomBuilder>,
-    ) -> Room {
+    pub async fn sync_room(&self, client: &Client, room_data: impl Into<AnyRoomBuilder>) -> Room {
         let any_room = room_data.into();
+        let room_id = any_room.room_id().to_owned();
 
         self.mock_sync()
             .ok_and_run(client, move |builder| match any_room {
@@ -122,13 +118,13 @@ impl MatrixMockServer {
             })
             .await;
 
-        client.get_room(room_id).expect("look at me, the room is known now")
+        client.get_room(&room_id).expect("look at me, the room is known now")
     }
 
     /// Overrides the sync/ endpoint with knowledge that the given room exists
     /// in the joined state, runs a sync and returns the given room.
     pub async fn sync_joined_room(&self, client: &Client, room_id: &RoomId) -> Room {
-        self.sync_room(client, room_id, JoinedRoomBuilder::new(room_id)).await
+        self.sync_room(client, JoinedRoomBuilder::new(room_id)).await
     }
 
     /// Verify that the previous mocks expected number of requests match
@@ -236,6 +232,18 @@ pub enum AnyRoomBuilder {
     Knocked(KnockedRoomBuilder),
 }
 
+impl AnyRoomBuilder {
+    /// Get the [`RoomId`] of the room this [`AnyRoomBuilder`] will create.
+    fn room_id(&self) -> &RoomId {
+        match self {
+            AnyRoomBuilder::Invited(r) => r.room_id(),
+            AnyRoomBuilder::Joined(r) => r.room_id(),
+            AnyRoomBuilder::Left(r) => r.room_id(),
+            AnyRoomBuilder::Knocked(r) => r.room_id(),
+        }
+    }
+}
+
 impl From<InvitedRoomBuilder> for AnyRoomBuilder {
     fn from(val: InvitedRoomBuilder) -> AnyRoomBuilder {
         AnyRoomBuilder::Invited(val)
diff --git a/crates/matrix-sdk/tests/integration/send_queue.rs b/crates/matrix-sdk/tests/integration/send_queue.rs
index 51529c9b122..1a9dce61f7c 100644
--- a/crates/matrix-sdk/tests/integration/send_queue.rs
+++ b/crates/matrix-sdk/tests/integration/send_queue.rs
@@ -208,7 +208,7 @@ async fn test_cant_send_invited_room() {
     // When I'm invited to a room,
     let room_id = room_id!("!a:b.c");
     let client = mock.client_builder().build().await;
-    let room = mock.sync_room(&client, room_id, InvitedRoomBuilder::new(room_id)).await;
+    let room = mock.sync_room(&client, InvitedRoomBuilder::new(room_id)).await;
 
     // I can't send message to it with the send queue.
     assert_matches!(
@@ -224,7 +224,7 @@ async fn test_cant_send_left_room() {
     // When I've left a room,
     let room_id = room_id!("!a:b.c");
     let client = mock.client_builder().build().await;
-    let room = mock.sync_room(&client, room_id, LeftRoomBuilder::new(room_id)).await;
+    let room = mock.sync_room(&client, LeftRoomBuilder::new(room_id)).await;
 
     // I can't send message to it with the send queue.
     assert_matches!(
@@ -242,7 +242,7 @@ async fn test_cant_send_knocked_room() {
     // When I've knocked into a room,
     let room_id = room_id!("!a:b.c");
     let client = mock.client_builder().build().await;
-    let room = mock.sync_room(&client, room_id, KnockedRoomBuilder::new(room_id)).await;
+    let room = mock.sync_room(&client, KnockedRoomBuilder::new(room_id)).await;
 
     // I can't send message to it with the send queue.
     assert_matches!(
diff --git a/testing/matrix-sdk-test/src/sync_builder/invited_room.rs b/testing/matrix-sdk-test/src/sync_builder/invited_room.rs
index a5a985e7502..7af107446ae 100644
--- a/testing/matrix-sdk-test/src/sync_builder/invited_room.rs
+++ b/testing/matrix-sdk-test/src/sync_builder/invited_room.rs
@@ -20,6 +20,11 @@ impl InvitedRoomBuilder {
         Self { room_id: room_id.to_owned(), inner: Default::default() }
     }
 
+    /// Get the room ID of this [`InvitedRoomBuilder`].
+    pub fn room_id(&self) -> &RoomId {
+        &self.room_id
+    }
+
     /// Add an event to the state.
     pub fn add_state_event(mut self, event: StrippedStateTestEvent) -> Self {
         self.inner.invite_state.events.push(event.into_raw_event());
diff --git a/testing/matrix-sdk-test/src/sync_builder/joined_room.rs b/testing/matrix-sdk-test/src/sync_builder/joined_room.rs
index bd93c2461df..079bc04cc41 100644
--- a/testing/matrix-sdk-test/src/sync_builder/joined_room.rs
+++ b/testing/matrix-sdk-test/src/sync_builder/joined_room.rs
@@ -25,6 +25,11 @@ impl JoinedRoomBuilder {
         Self { room_id: room_id.to_owned(), inner: Default::default() }
     }
 
+    /// Get the room ID of this [`JoinedRoomBuilder`].
+    pub fn room_id(&self) -> &RoomId {
+        &self.room_id
+    }
+
     /// Add an event to the timeline.
     ///
     /// The raw event can be created with the
diff --git a/testing/matrix-sdk-test/src/sync_builder/knocked_room.rs b/testing/matrix-sdk-test/src/sync_builder/knocked_room.rs
index 0df9a4e73a6..5838298efea 100644
--- a/testing/matrix-sdk-test/src/sync_builder/knocked_room.rs
+++ b/testing/matrix-sdk-test/src/sync_builder/knocked_room.rs
@@ -20,6 +20,11 @@ impl KnockedRoomBuilder {
         Self { room_id: room_id.to_owned(), inner: Default::default() }
     }
 
+    /// Get the room ID of this [`KnockedRoomBuilder`].
+    pub fn room_id(&self) -> &RoomId {
+        &self.room_id
+    }
+
     /// Add an event to the state.
     pub fn add_state_event(mut self, event: StrippedStateTestEvent) -> Self {
         self.inner.knock_state.events.push(event.into_raw_event());
diff --git a/testing/matrix-sdk-test/src/sync_builder/left_room.rs b/testing/matrix-sdk-test/src/sync_builder/left_room.rs
index b18ef3df00f..acf271d6682 100644
--- a/testing/matrix-sdk-test/src/sync_builder/left_room.rs
+++ b/testing/matrix-sdk-test/src/sync_builder/left_room.rs
@@ -22,6 +22,11 @@ impl LeftRoomBuilder {
         Self { room_id: room_id.to_owned(), inner: Default::default() }
     }
 
+    /// Get the room ID of this [`LeftRoomBuilder`].
+    pub fn room_id(&self) -> &RoomId {
+        &self.room_id
+    }
+
     /// Add an event to the timeline.
     ///
     /// The raw event can be created with the