TestData: Adds Frame Type to "Predictable" Scenarios to enable SQL expressions (#106177)

pkg/tsdb/grafana-testdata-datasource/scenarios.go

@@ -896,6 +896,7 @@ func predictableCSVWave(query backend.DataQuery, model kinds.TestDataQuery) ([]*
 		if subQ.Name != "" {
 			frame.Name = subQ.Name
 		}
+		setFrameType(frame, data.FrameTypeTimeSeriesMulti, data.FrameTypeVersion{0, 0})
 		frames = append(frames, frame)
 	}
 	return frames, nil
@@ -973,6 +974,7 @@ func predictablePulse(query backend.DataQuery, model kinds.TestDataQuery) (*data
 	frame := newSeriesForQuery(query, model, 0)
 	frame.Fields = fields
 	frame.Fields[1].Labels = parseLabels(model, 0)
+	setFrameType(frame, data.FrameTypeTimeSeriesMulti, data.FrameTypeVersion{0, 0})
 
 	return frame, nil
 }

pkg/tsdb/grafana-testdata-datasource/utils.go

@@ -46,3 +46,11 @@ func dropValues(frame *data.Frame, percent float64) (*data.Frame, error) {
 
 	return copy, err
 }
+
+func setFrameType(f *data.Frame, t data.FrameType, v data.FrameTypeVersion) {
+	if f.Meta == nil {
+		f.Meta = &data.FrameMeta{}
+	}
+	f.Meta.Type = t
+	f.Meta.TypeVersion = v
+}