diff --git a/devtools/client/memory/test/browser/browser_memory_tree_map-01.js b/devtools/client/memory/test/browser/browser_memory_tree_map-01.js
index d9d653199810..7ca66d51b96a 100644
--- a/devtools/client/memory/test/browser/browser_memory_tree_map-01.js
+++ b/devtools/client/memory/test/browser/browser_memory_tree_map-01.js
@@ -11,7 +11,7 @@ const D3_SCRIPT = '<script type="application/javascript" ' +
                   'src="chrome://devtools/content/shared/vendor/d3.js>';
 const TEST_URL = `data:text/html,<html><body>${D3_SCRIPT}</body></html>`;
 
-this.test = makeMemoryTest(TEST_URL, async function ({ tab, panel }) {
+this.test = makeMemoryTest(TEST_URL, async function({ tab, panel }) {
   const document = panel.panelWin.document;
   const window = panel.panelWin;
   const div = document.createElement("div");
diff --git a/devtools/client/memory/test/browser/browser_memory_tree_map-02.js b/devtools/client/memory/test/browser/browser_memory_tree_map-02.js
index a2e41f93a8da..751b821785a8 100644
--- a/devtools/client/memory/test/browser/browser_memory_tree_map-02.js
+++ b/devtools/client/memory/test/browser/browser_memory_tree_map-02.js
@@ -14,7 +14,7 @@ const PIXEL_SCROLL_MODE = 0;
 const PIXEL_DELTA = 10;
 const MAX_RAF_LOOP = 1000;
 
-this.test = makeMemoryTest(TEST_URL, async function ({ tab, panel }) {
+this.test = makeMemoryTest(TEST_URL, async function({ tab, panel }) {
   const panelWin = panel.panelWin;
   const panelDoc = panelWin.document;
   const div = panelDoc.createElement("div");
