diff --git a/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/DevTools.jsm b/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/DevTools.jsm
index c8dfa9c25cea..a2024f1606f6 100644
--- a/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/DevTools.jsm
+++ b/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/DevTools.jsm
@@ -34,6 +34,7 @@ this.DevTools = {
       this.configurations[panel] = {};
       this.configurations[panel].selectors = [selectToolbox];
       this.configurations[panel].applyConfig = async function() {
+        Services.prefs.setIntPref("devtools.toolbox.footer.height", 800);
         await gDevTools.showToolbox(getTargetForSelectedTab(), panel, "bottom");
         await new Promise(resolve => setTimeout(resolve, 500));
       };
@@ -44,6 +45,7 @@ this.DevTools = {
     bottomToolbox: {
       selectors: [selectToolbox],
       async applyConfig() {
+        Services.prefs.clearUserPref("devtools.toolbox.footer.height");
         await gDevTools.showToolbox(getTargetForSelectedTab(), "inspector", "bottom");
         await new Promise(resolve => setTimeout(resolve, 1000));
       },
diff --git a/browser/tools/mozscreenshots/mozscreenshots/extension/lib/mozscreenshots-script.js b/browser/tools/mozscreenshots/mozscreenshots/extension/lib/mozscreenshots-script.js
index 7f2aadfb624e..69f482e70171 100644
--- a/browser/tools/mozscreenshots/mozscreenshots/extension/lib/mozscreenshots-script.js
+++ b/browser/tools/mozscreenshots/mozscreenshots/extension/lib/mozscreenshots-script.js
@@ -11,3 +11,9 @@ console.groupEnd();
 
 console.count("counter");
 console.count("counter");
+
+console.log("first", {a: 1}, "second", {b: "hello"}, "third", {c: new Map()});
+console.log("first", {a: 1}, "second", {b: "hello"});
+console.log("first", {a: 1}, "\nsecond", {b: "hello"});
+console.log("first", "\nsecond");
+console.log("\nfirst", "second");