diff --git a/tests/test.rfb.js b/tests/test.rfb.js
index 3cf8fcd8..71129dcd 100644
--- a/tests/test.rfb.js
+++ b/tests/test.rfb.js
@@ -7,6 +7,7 @@ import Websock from '../core/websock.js';
 import ZStream from "../vendor/pako/lib/zlib/zstream.js";
 import { deflateInit, deflate, Z_DEFAULT_COMPRESSION } from "../vendor/pako/lib/zlib/deflate.js";
 import { encodings } from '../core/encodings.js';
+import { initLogging } from '../core/util/logging.js';
 import { toUnsigned32bit } from '../core/util/int.js';
 import { encodeUTF8 } from '../core/util/strings.js';
 import KeyTable from '../core/input/keysym.js';
@@ -115,6 +116,9 @@ describe('Remote Frame Buffer Protocol Client', function () {
 
         // Avoiding printing the entire Websock buffer on errors
         Websock.prototype.inspect = function () { return "[object Websock]"; };
+
+        // Avoid spamming test output
+        initLogging('none');
     });
 
     after(function () {
diff --git a/tests/test.util.js b/tests/test.util.js
index 766e51ed..8a48f6a7 100644
--- a/tests/test.util.js
+++ b/tests/test.util.js
@@ -11,11 +11,11 @@ describe('Utils', function () {
 
     describe('logging functions', function () {
         beforeEach(function () {
-            sinon.spy(console, 'log');
-            sinon.spy(console, 'debug');
-            sinon.spy(console, 'warn');
-            sinon.spy(console, 'error');
-            sinon.spy(console, 'info');
+            sinon.stub(console, 'log');
+            sinon.stub(console, 'debug');
+            sinon.stub(console, 'warn');
+            sinon.stub(console, 'error');
+            sinon.stub(console, 'info');
         });
 
         afterEach(function () {
diff --git a/tests/test.webutil.js b/tests/test.webutil.js
index 4bea3ca5..4ed087cb 100644
--- a/tests/test.webutil.js
+++ b/tests/test.webutil.js
@@ -5,6 +5,7 @@ import { expect } from 'chai';
 import sinon from 'sinon';
 
 import * as WebUtil from '../app/webutil.js';
+import { initLogging } from '../core/util/logging.js';
 
 describe('WebUtil', function () {
     "use strict";
@@ -67,6 +68,9 @@ describe('WebUtil', function () {
             before(function () {
                 chrome = window.chrome;
                 window.chrome = null;
+
+                // Avoid spamming test output
+                initLogging('none');
             });
             after(function () {
                 window.chrome = chrome;