diff --git a/js/test/Check.js b/js/test/Check.js
index 167970ae..79fdfc26 100644
--- a/js/test/Check.js
+++ b/js/test/Check.js
@@ -72,7 +72,7 @@ describe('Check', function () {
                       );
                 Object.defineProperty(window, 'crypto', {
                     value: new WebCrypto(),
-                    writeable: false,
+                    writeable: false
                 });
                 Legacy.Check.init();
                 const result1 = Legacy.Check.getInit() && Legacy.Check.getStatus(),
diff --git a/js/test/CryptTool.js b/js/test/CryptTool.js
index e48e0b35..a75046fb 100644
--- a/js/test/CryptTool.js
+++ b/js/test/CryptTool.js
@@ -20,7 +20,7 @@ describe('CryptTool', function () {
                     $.PrivateBin.Controller.initZ();
                     Object.defineProperty(window, 'crypto', {
                         value: new WebCrypto(),
-                        writeable: false,
+                        writeable: false
                     });
                     global.atob = common.atob;
                     global.btoa = common.btoa;
@@ -45,7 +45,7 @@ describe('CryptTool', function () {
                 clean = jsdom();
             Object.defineProperty(window, 'crypto', {
                 value: new WebCrypto(),
-                writeable: false,
+                writeable: false
             });
             // ensure zlib is getting loaded
             $.PrivateBin.Controller.initZ();
@@ -96,7 +96,7 @@ conseq_or_bottom inv (interp (nth_iterate sBody n) (MemElem mem))
                     $.PrivateBin.Controller.initZ();
                     Object.defineProperty(window, 'crypto', {
                         value: new WebCrypto(),
-                        writeable: false,
+                        writeable: false
                     });
                     const cipherMessage = await $.PrivateBin.CryptTool.cipher(
                             key, password, message, []
@@ -126,7 +126,7 @@ conseq_or_bottom inv (interp (nth_iterate sBody n) (MemElem mem))
                     const clean = jsdom();
                     Object.defineProperty(window, 'crypto', {
                         value: new WebCrypto(),
-                        writeable: false,
+                        writeable: false
                     });
                     const key = $.PrivateBin.CryptTool.getSymmetricKey(),
                         result = (key !== '' && keys.indexOf(key) === -1);
diff --git a/js/test/TopNav.js b/js/test/TopNav.js
index 84b30643..c83eca10 100644
--- a/js/test/TopNav.js
+++ b/js/test/TopNav.js
@@ -533,7 +533,7 @@ describe('TopNav', function () {
                 path.basename(file_path),
                 {
                     lastModified,
-                    type: mime.lookup(file_path) || '',
+                    type: mime.lookup(file_path) || ''
                 }
             );
         }
@@ -550,7 +550,7 @@ describe('TopNav', function () {
 
             Object.defineProperty(input, 'files', {
                 value: file_list,
-                writeable: false,
+                writeable: false
             });
 
             return input;