start of wiring for configurable context

generate/testdata/UnionNoFragments.graphql.go

@@ -3,7 +3,7 @@ package test
 // Code generated by github.com/Khan/genql, DO NOT EDIT.
 
 import (
-	"context"
+	"encoding/json"
 
 	"github.com/Khan/genql/graphql"
 )
@@ -73,7 +73,7 @@ func (v *UnionNoFragmentsQueryResponse) UnmarshalJSON(b []byte) error {
 
 func UnionNoFragmentsQuery(client *graphql.Client) (*UnionNoFragmentsQueryResponse, error) {
 	var retval UnionNoFragmentsQueryResponse
-	err := client.MakeRequest(context.Background(), `
+	err := client.MakeRequest(nil, `
 query UnionNoFragmentsQuery {
 	randomLeaf {
 		__typename