diff --git a/__mocks__/gatsby.js b/__mocks__/gatsby.js
index c9c0bae4..fa0835ad 100644
--- a/__mocks__/gatsby.js
+++ b/__mocks__/gatsby.js
@@ -1,8 +1,28 @@
-const React = require(`react`);
-const gatsby = jest.requireActual(`gatsby`);
+import React from 'react';
+const Gatsby = jest.requireActual('gatsby');
+
+const fluidImagesShapeMock = [
+  {
+    aspectRatio: 2,
+    src: `test_image.jpg`,
+    srcSet: `some srcSet`,
+    srcSetWebp: `some srcSetWebp`,
+    sizes: `(max-width: 600px) 100vw, 600px`,
+    base64: `string_of_base64`,
+  },
+  {
+    aspectRatio: 3,
+    src: `test_image_2.jpg`,
+    srcSet: `some other srcSet`,
+    srcSetWebp: `some other srcSetWebp`,
+    sizes: `(max-width: 600px) 100vw, 600px`,
+    base64: `string_of_base64`,
+    media: `only screen and (min-width: 768px)`,
+  },
+];
 
 module.exports = {
-  ...gatsby,
+  ...Gatsby,
   graphql: jest.fn(),
   Link: jest.fn().mockImplementation(({ to, ...rest }) =>
     React.createElement(`a`, {
@@ -22,13 +42,7 @@ module.exports = {
     },
     file: {
       childImageSharp: {
-        fluid(maxWidth = 512) {
-          base64;
-          aspectRatio;
-          src;
-          srcSet;
-          sizes;
-        },
+        fluid: fluidImagesShapeMock[0],
       },
     },
   }),