Expressions: Add model struct for the query types (not map[string]any) (#82745)

pkg/expr/graph_test.go

@@ -7,6 +7,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/grafana/grafana/pkg/services/datasources"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
 )
 
 func TestServicebuildPipeLine(t *testing.T) {
@@ -231,7 +232,9 @@ func TestServicebuildPipeLine(t *testing.T) {
 			expectedOrder: []string{"B", "A"},
 		},
 	}
-	s := Service{}
+	s := Service{
+		features: featuremgmt.WithFeatures(featuremgmt.FlagExpressionParser),
+	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			nodes, err := s.buildPipeline(tt.req)