diff --git a/resources/assets/tests/__mocks__/toastr.js b/resources/assets/tests/__mocks__/toastr.js
new file mode 100644
index 00000000..4448d9b4
--- /dev/null
+++ b/resources/assets/tests/__mocks__/toastr.js
@@ -0,0 +1,4 @@
+export default {
+    success() {},
+    warning() {},
+};
diff --git a/resources/assets/tests/setup.js b/resources/assets/tests/setup.js
new file mode 100644
index 00000000..d7ef2caa
--- /dev/null
+++ b/resources/assets/tests/setup.js
@@ -0,0 +1,14 @@
+import 'jest-extended';
+import Vue from 'vue';
+
+Vue.prototype.$t = key => key;
+
+Vue.directive('t', (el, { value }) => {
+    if (typeof value === 'string') {
+        el.innerHTML = value;
+    } else if (typeof value === 'object') {
+        el.innerHTML = value.path;
+    } else {
+        throw new Error('[i18n] Invalid arguments in `v-t` directive.');
+    }
+});