Remove test dependency on httpbin.org

httpbin.org is very flaky

http/client/client_test.go

@@ -1,52 +0,0 @@
-// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
-// SPDX-License-Identifier: Apache-2.0
-
-package client // import "miniflux.app/http/client"
-
-import (
-	"testing"
-)
-
-func TestClientWithDelay(t *testing.T) {
-	clt := New("http://httpbin.org/delay/5")
-	clt.ClientTimeout = 1
-	_, err := clt.Get()
-	if err == nil {
-		t.Fatal(`The client should stops after 1 second`)
-	}
-}
-
-func TestClientWithError(t *testing.T) {
-	clt := New("http://httpbin.org/status/502")
-	clt.ClientTimeout = 5
-	response, err := clt.Get()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if response.StatusCode != 502 {
-		t.Fatalf(`Unexpected response status code: %d`, response.StatusCode)
-	}
-
-	if !response.HasServerFailure() {
-		t.Fatal(`A 502 error is considered as server failure`)
-	}
-}
-
-func TestClientWithResponseTooLarge(t *testing.T) {
-	clt := New("http://httpbin.org/bytes/100")
-	clt.ClientMaxBodySize = 10
-	_, err := clt.Get()
-	if err == nil {
-		t.Fatal(`The client should fails when reading a response too large`)
-	}
-}
-
-func TestClientWithBasicAuth(t *testing.T) {
-	clt := New("http://httpbin.org/basic-auth/testuser/testpassword")
-	clt.WithCredentials("testuser", "testpassword")
-	_, err := clt.Get()
-	if err != nil {
-		t.Fatalf(`The client should be authenticated successfully: %v`, err)
-	}
-}