[v11.0.x] Expressions+Testdata: Create json schema for query types (#86164)

Expressions: Create json schema for query types (#84032)

(cherry picked from commit 4cda34ff7d)

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

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

@@ -10,6 +10,7 @@ import (
 	"github.com/grafana/grafana-plugin-sdk-go/backend/resource/httpadapter"
 	"github.com/grafana/grafana-plugin-sdk-go/data"
 
+	"github.com/grafana/grafana/pkg/tsdb/grafana-testdata-datasource/kinds"
 	"github.com/grafana/grafana/pkg/tsdb/grafana-testdata-datasource/sims"
 )
 
@@ -19,7 +20,7 @@ import (
 func ProvideService() *Service {
 	s := &Service{
 		queryMux:  datasource.NewQueryTypeMux(),
-		scenarios: map[string]*Scenario{},
+		scenarios: map[kinds.TestDataQueryType]*Scenario{},
 		frame: data.NewFrame("testdata",
 			data.NewField("Time", nil, make([]time.Time, 1)),
 			data.NewField("Value", nil, make([]float64, 1)),
@@ -48,7 +49,7 @@ func ProvideService() *Service {
 
 type Service struct {
 	logger          log.Logger
-	scenarios       map[string]*Scenario
+	scenarios       map[kinds.TestDataQueryType]*Scenario
 	frame           *data.Frame
 	labelFrame      *data.Frame
 	queryMux        *datasource.QueryTypeMux