diff --git a/test/test-dir.browser.js b/test/test-dir.browser.js
index b54f310..8650690 100644
--- a/test/test-dir.browser.js
+++ b/test/test-dir.browser.js
@@ -1,8 +1,7 @@
 /* global expect , Filer, fs, waitForTrue, TEST_TYPE_FS_ACCESS, TEST_TYPE_FILER, TEST_TYPE_TAURI, TEST_TYPE_TAURI_WS, path, iconv*/
 
-const IS_WINDOWS = navigator.userAgent.includes('Windows');
-
 function _setupTests(testType) {
+    const IS_WINDOWS = navigator.userAgent.includes('Windows');
     let testPath;
 
     function consoleLogToShell(message) {
diff --git a/test/test-file.browser.js b/test/test-file.browser.js
index 97182cc..51b828b 100644
--- a/test/test-file.browser.js
+++ b/test/test-file.browser.js
@@ -1,8 +1,7 @@
 /* global expect , Filer, fs, TEST_TYPE_FS_ACCESS, TEST_TYPE_FILER, TEST_TYPE_TAURI, TEST_TYPE_TAURI_WS*/
 
-const IS_WINDOWS = navigator.userAgent.includes('Windows');
-
 function _setupTests(testType) {
+    const IS_WINDOWS = navigator.userAgent.includes('Windows');
     let testPath;
 
     function consoleLogToShell(message) {