diff --git a/testing/matrix-sdk-test/src/event_factory.rs b/testing/matrix-sdk-test/src/event_factory.rs
index 4edba9b8a..ec5fc2fae 100644
--- a/testing/matrix-sdk-test/src/event_factory.rs
+++ b/testing/matrix-sdk-test/src/event_factory.rs
@@ -29,19 +29,21 @@ use ruma::{
     OwnedRoomAliasId, OwnedRoomId, OwnedTransactionId, OwnedUserId, OwnedVoipId, RoomId,
     RoomVersionId, TransactionId, UInt, UserId, VoipVersionId,
     events::{
-        AnyGlobalAccountDataEvent, AnyMessageLikeEvent, AnyStateEvent, AnyStrippedStateEvent,
-        AnySyncEphemeralRoomEvent, AnySyncMessageLikeEvent, AnySyncStateEvent,
-        AnySyncTimelineEvent, AnyTimelineEvent, BundledMessageLikeRelations,
+        AnyGlobalAccountDataEvent, AnyMessageLikeEvent, AnyRoomAccountDataEvent, AnyStateEvent,
+        AnyStrippedStateEvent, AnySyncEphemeralRoomEvent, AnySyncMessageLikeEvent,
+        AnySyncStateEvent, AnySyncTimelineEvent, AnyTimelineEvent, BundledMessageLikeRelations,
         EphemeralRoomEventContent, EventContentFromType, False, GlobalAccountDataEventContent,
         Mentions, MessageLikeEvent, MessageLikeEventContent, PossiblyRedactedStateEventContent,
-        RedactContent, RedactedMessageLikeEventContent, RedactedStateEventContent, StateEvent,
-        StateEventContent, StaticEventContent, StaticStateEventContent, StrippedStateEvent,
-        SyncMessageLikeEvent, SyncStateEvent,
+        RedactContent, RedactedMessageLikeEventContent, RedactedStateEventContent,
+        RoomAccountDataEventContent, StateEvent, StateEventContent, StaticEventContent,
+        StaticStateEventContent, StrippedStateEvent, SyncMessageLikeEvent, SyncStateEvent,
         beacon::BeaconEventContent,
         call::{SessionDescription, invite::CallInviteEventContent},
         direct::{DirectEventContent, OwnedDirectUserIdentifier},
+        fully_read::FullyReadEventContent,
         ignored_user_list::IgnoredUserListEventContent,
         macros::EventContent,
+        marked_unread::MarkedUnreadEventContent,
         member_hints::MemberHintsEventContent,
         poll::{
             unstable_end::UnstablePollEndEventContent,
@@ -180,6 +182,8 @@ enum EventFormat {
     Ephemeral,
     /// A global account data.
     GlobalAccountData,
+    /// A room account data.
+    RoomAccountData,
 }
 
 impl EventFormat {
@@ -615,6 +619,24 @@ where
     }
 }
 
+impl<E: StaticEventContent<IsPrefix = False>> From<EventBuilder<E>> for Raw<AnyRoomAccountDataEvent>
+where
+    E: Serialize,
+{
+    fn from(val: EventBuilder<E>) -> Self {
+        val.format(EventFormat::RoomAccountData).into_raw()
+    }
+}
+
+impl<E: StaticEventContent<IsPrefix = False>> From<EventBuilder<E>> for AnyRoomAccountDataEvent
+where
+    E: Serialize,
+{
+    fn from(val: EventBuilder<E>) -> Self {
+        Raw::<AnyRoomAccountDataEvent>::from(val).deserialize().expect("expected room account data")
+    }
+}
+
 impl<E: StaticEventContent<IsPrefix = False>> From<EventBuilder<E>> for TimelineEvent
 where
     E: Serialize,
@@ -1466,6 +1488,24 @@ impl EventFactory {
     {
         self.event(content).format(EventFormat::GlobalAccountData)
     }
+
+    /// Create a new room account data event of the given `C` content type.
+    pub fn room_account_data<C>(&self, content: C) -> EventBuilder<C>
+    where
+        C: RoomAccountDataEventContent + StaticEventContent<IsPrefix = False>,
+    {
+        self.event(content).format(EventFormat::RoomAccountData)
+    }
+
+    /// Create a new `m.fully_read` room account data event.
+    pub fn fully_read(&self, event_id: &EventId) -> EventBuilder<FullyReadEventContent> {
+        self.room_account_data(FullyReadEventContent::new(event_id.to_owned()))
+    }
+
+    /// Create a new `m.marked_unread` room account data event.
+    pub fn marked_unread(&self, unread: bool) -> EventBuilder<MarkedUnreadEventContent> {
+        self.room_account_data(MarkedUnreadEventContent::new(unread))
+    }
 }
 
 impl EventBuilder<DirectEventContent> {
diff --git a/testing/matrix-sdk-test/src/sync_builder/test_event.rs b/testing/matrix-sdk-test/src/sync_builder/test_event.rs
index 8ea941609..4f4a3113f 100644
--- a/testing/matrix-sdk-test/src/sync_builder/test_event.rs
+++ b/testing/matrix-sdk-test/src/sync_builder/test_event.rs
@@ -1,7 +1,7 @@
-use ruma::{events::AnyRoomAccountDataEvent, serde::Raw};
-use serde_json::{Value as JsonValue, from_value as from_json_value};
+use ruma::{event_id, events::AnyRoomAccountDataEvent, serde::Raw};
+use serde_json::Value as JsonValue;
 
-use crate::test_json;
+use crate::event_factory::EventFactory;
 
 /// Test events that can be added to the room account data.
 pub enum RoomAccountDataTestEvent {
@@ -10,20 +10,17 @@ pub enum RoomAccountDataTestEvent {
     Custom(JsonValue),
 }
 
-impl From<RoomAccountDataTestEvent> for JsonValue {
+impl From<RoomAccountDataTestEvent> for Raw<AnyRoomAccountDataEvent> {
     fn from(val: RoomAccountDataTestEvent) -> Self {
+        let f = EventFactory::new();
         match val {
-            RoomAccountDataTestEvent::FullyRead => test_json::sync_events::FULLY_READ.to_owned(),
-            RoomAccountDataTestEvent::MarkedUnread => {
-                test_json::sync_events::MARKED_UNREAD.to_owned()
+            RoomAccountDataTestEvent::FullyRead => {
+                f.fully_read(event_id!("$someplace:example.org")).into()
+            }
+            RoomAccountDataTestEvent::MarkedUnread => f.marked_unread(true).into(),
+            RoomAccountDataTestEvent::Custom(json) => {
+                serde_json::from_value(json).expect("Custom JSON should be valid")
             }
-            RoomAccountDataTestEvent::Custom(json) => json,
         }
     }
 }
-
-impl From<RoomAccountDataTestEvent> for Raw<AnyRoomAccountDataEvent> {
-    fn from(val: RoomAccountDataTestEvent) -> Self {
-        from_json_value(val.into()).unwrap()
-    }
-}
diff --git a/testing/matrix-sdk-test/src/test_json/sync_events.rs b/testing/matrix-sdk-test/src/test_json/sync_events.rs
index 46b80d717..9097d81ab 100644
--- a/testing/matrix-sdk-test/src/test_json/sync_events.rs
+++ b/testing/matrix-sdk-test/src/test_json/sync_events.rs
@@ -3,16 +3,6 @@
 use once_cell::sync::Lazy;
 use serde_json::{Value as JsonValue, json};
 
-pub static FULLY_READ: Lazy<JsonValue> = Lazy::new(|| {
-    json!({
-        "content": {
-            "event_id": "$someplace:example.org"
-        },
-        "room_id": "!somewhere:example.org",
-        "type": "m.fully_read"
-    })
-});
-
 // TODO: Move `prev_content` into `unsigned` once ruma supports it
 pub static MEMBER: Lazy<JsonValue> = Lazy::new(|| {
     json!({
@@ -198,12 +188,3 @@ pub static TAG: Lazy<JsonValue> = Lazy::new(|| {
         "type": "m.tag"
     })
 });
-
-pub static MARKED_UNREAD: Lazy<JsonValue> = Lazy::new(|| {
-    json!({
-        "content": {
-            "unread": true,
-        },
-        "type": "m.marked_unread",
-    })
-});