diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 4150cee..09a750c 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -2,5 +2,6 @@
 	"image": "mcr.microsoft.com/devcontainers/universal:2",
 	"features": {
 		"ghcr.io/devcontainers-community/npm-features/typescript:1": {}
-	}
+	},
+	"postCreateCommand": "apt-get update && apt-get install -y firefox xvfb libxss1 libappindicator1 libindicator7"
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index dcfa4ec..96dd0ea 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,6 @@
   "scripts": {
     "build": "dev-scripts/build-extension.sh",
     "pretest": "tsc",
-    "test": "jasmine-browser-runner runSpecs"
+    "test": "xvfb-run -a jasmine-browser-runner runSpecs"
   }
 }
diff --git a/spec/indexeddb_spec.js b/spec/indexeddb_spec.js
index e69de29..3956040 100644
--- a/spec/indexeddb_spec.js
+++ b/spec/indexeddb_spec.js
@@ -0,0 +1,5 @@
+describe("hello", function() {
+    it("world", function() {
+        expect(true).toBe(true)
+    })
+})
\ No newline at end of file
diff --git a/spec/support/jasmine-browser.mjs b/spec/support/jasmine-browser.mjs
index 005a475..a1a24b1 100644
--- a/spec/support/jasmine-browser.mjs
+++ b/spec/support/jasmine-browser.mjs
@@ -3,9 +3,9 @@ export default {
   // srcFiles should usually be left empty when using ES modules, because you'll
   // explicitly import sources from your specs.
   srcFiles: [],
-  specDir: ".",
+  specDir: "./spec",
   specFiles: [
-    "spec/**/*[sS]pec.?(m)js"
+    "**/*[sS]pec.?(m)js"
   ],
   helpers: [
     "spec/helpers/**/*.?(m)js"
@@ -33,6 +33,7 @@ export default {
   hostname: "localhost",
 
   browser: {
-    name: "firefox"
+    name: "firefox",
+    headless: true
   }
 };