some refinement

internal/collector/collector_test.go

@@ -2,6 +2,7 @@ package collector
 
 import (
 	"context"
+	"encoding/json"
 	"testing"
 	"time"
 
@@ -29,7 +30,7 @@ func TestCollectorWithStore(t *testing.T) {
 	store := &mockStore{}
 	coll := New(nil, 10, store)
 
-	coll.addToHistory(websocket.DataTypeLogs, map[string]interface{}{"msg": "test"})
+	coll.addToHistory(websocket.DataTypeLogs, json.RawMessage(`{"msg": "test"}`))
 
 	// Give it a moment since it's asynchronous
 	timeout := time.After(100 * time.Millisecond)
@@ -55,7 +56,7 @@ func TestCollectorHistoryLimit(t *testing.T) {
 	coll := New(nil, 10, nil)
 
 	for i := 0; i < 10; i++ {
-		coll.addToHistory(websocket.DataTypeLogs, map[string]interface{}{"msg": i})
+		coll.addToHistory(websocket.DataTypeLogs, json.RawMessage(`{"msg": "test"}`))
 	}
 
 	history := coll.GetHistory(10)