diff --git a/package.json b/package.json
index 7c6c2a98..18f93450 100644
--- a/package.json
+++ b/package.json
@@ -163,6 +163,10 @@
     "moduleNameMapper": {
       "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
       "\\.(css|less|styl)$": "identity-obj-proxy"
-    }
+    },
+    "setupFiles": [
+      "<rootDir>/tests/jest.js",
+      "jest-localstorage-mock"
+    ]
   }
 }
diff --git a/tests/jest.js b/tests/jest.js
new file mode 100644
index 00000000..6f830c67
--- /dev/null
+++ b/tests/jest.js
@@ -0,0 +1,12 @@
+// Here you can mock the libraries connected through direct insertion <script src="" >
+global.Raphael = {
+  setWindow: jest.fn(),
+  registerFont: jest.fn(),
+  fn: function () {
+    return {}
+  }
+}
+
+global._ = {
+  extend: jest.genMockFunction()
+}
diff --git a/yarn.lock b/yarn.lock
index d276e242..62b6600a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4997,6 +4997,10 @@ jest-leak-detector@^22.4.3:
   dependencies:
     pretty-format "^22.4.3"
 
+jest-localstorage-mock@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/jest-localstorage-mock/-/jest-localstorage-mock-2.2.0.tgz#ce9a9de01dfdde2ad8aa08adf73acc7e5cc394cf"
+
 jest-matcher-utils@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.4.3.tgz#4632fe428ebc73ebc194d3c7b65d37b161f710ff"