Add logging to legacy datasource look up path (#97065)

pkg/registry/apis/query/parser_test.go

@@ -15,6 +15,7 @@ import (
 
 	query "github.com/grafana/grafana/pkg/apis/query/v0alpha1"
 	"github.com/grafana/grafana/pkg/expr"
+	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/infra/tracing"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 )
@@ -29,7 +30,7 @@ type parserTestObject struct {
 func TestQuerySplitting(t *testing.T) {
 	ctx := context.Background()
 	parser := newQueryParser(expr.NewExpressionQueryReader(featuremgmt.WithFeatures()),
-		&legacyDataSourceRetriever{}, tracing.InitializeTracerForTest())
+		&legacyDataSourceRetriever{}, tracing.InitializeTracerForTest(), log.NewNopLogger())
 
 	t.Run("missing datasource flavors", func(t *testing.T) {
 		split, err := parser.parseRequest(ctx, &query.QueryDataRequest{