grafana#1289: Moved Init context validation before multiple array val…

…idation

js/modules/k6/http/request.go

@@ -438,18 +438,18 @@ func (c *Client) prepareBatchObject(requests map[string]interface{}) (
 // Batch makes multiple simultaneous HTTP requests. The provideds reqsV should be an array of request
 // objects. Batch returns an array of responses and/or error
 func (c *Client) Batch(reqsValues ...goja.Value) (interface{}, error) {
+	state := c.moduleInstance.vu.State()
+	if state == nil {
+		return nil, ErrBatchForbiddenInInitContext
+	}
+
 	if len(reqsValues) == 0 {
 		return nil, fmt.Errorf("no argument was provided to http.batch()")
-	} else if len(reqsValues) > 1 {
+	} else if len(reqsValues) > 1 { // Validation for http.batch(["https://validurl"],["https://validurl"])
 		return nil, fmt.Errorf("http.batch() must have only one single array as an argument")
 	}
 
 	reqsV := reqsValues[0]
-	state := c.moduleInstance.vu.State()
-	if state == nil {
-		return nil, ErrBatchForbiddenInInitContext
-	}
-
 	var (
 		err       error
 		batchReqs []httpext.BatchParsedHTTPRequest