[streamable-http] Add ability to override the http.Client

Author: tra4less

client/transport/streamable_http.go

@@ -21,6 +21,12 @@ import (
 
 type StreamableHTTPCOption func(*StreamableHTTP)
 
+func WithHTTPBasicClient(client *http.Client) StreamableHTTPCOption {
+	return func(sc *StreamableHTTP) {
+		sc.httpClient = client
+	}
+}
+
 func WithHTTPHeaders(headers map[string]string) StreamableHTTPCOption {
 	return func(sc *StreamableHTTP) {
 		sc.headers = headers