Fix check of m.read receipt type

Author: anoadragon453

tests/csapi/apidoc_room_receipts_test.go

@@ -64,10 +64,16 @@ func TestRoomReceipts(t *testing.T) {
 			t,
 			client.SyncReq{Since: sinceToken},
 			client.SyncEphemeralHas(roomID, func(r gjson.Result) bool {
-				if r.Get("type").Str != "m.read" {
+				// Check that this is a m.receipt ephemeral event.
+				if r.Get("type").Str != "m.receipt" {
 					return false
 				}
 
+				// Check that the receipt type is "m.read".
+				if !r.Get(`content.*.m\.read`).Exists() {
+					t.Fatalf("Receipt was not of type 'm.read'")
+				}
+
 				// Ensure that the `room_id` field does NOT exist.
 				if r.Get("room_id").Exists() {
 					t.Fatalf("Read receipt included `room_id` field down sync: %s", r.Raw)