💚 Add tests for install

Author: kimuraz

test/unit/mixins/Install.spec.js

@@ -0,0 +1,15 @@
+import Vue from 'vue';
+import VueRest from '../../../index.js';
+
+describe('Testing install function', () => {
+
+  Vue.use(VueRest, {
+    axiosOptions: {
+      baseURL: 'http://localhost:8000',
+    },
+  });
+
+  test('Should apply axios settings when axiosOptions is set', () => {
+    expect(Vue.api.defaults.baseURL).toBe('http://localhost:8000');
+  }); 
+});