diff --git a/config/jest/cssTransform.js b/config/jest/cssTransform.js
new file mode 100644
index 00000000..85bf39b7
--- /dev/null
+++ b/config/jest/cssTransform.js
@@ -0,0 +1,12 @@
+// This is a custom Jest transformer turning style imports into empty objects.
+// http://facebook.github.io/jest/docs/en/webpack.html
+
+module.exports = {
+  process() {
+    return { code: 'module.exports = {};' };
+  },
+  getCacheKey() {
+    // The output is always the same.
+    return 'cssTransform';
+  },
+};
diff --git a/config/jest/fileTransform.js b/config/jest/fileTransform.js
index 1567f853..46d0e641 100644
--- a/config/jest/fileTransform.js
+++ b/config/jest/fileTransform.js
@@ -24,6 +24,8 @@ module.exports = {
       };`;
     }
 
-    return `module.exports = ${assetFilename};`;
+    return {
+      code: `module.exports = ${assetFilename};`
+    };
   },
 };
diff --git a/config/jest/setupBeforeEnzyme.js b/config/jest/setupBeforeEnzyme.js
new file mode 100644
index 00000000..71c20acd
--- /dev/null
+++ b/config/jest/setupBeforeEnzyme.js
@@ -0,0 +1,4 @@
+import * as util from 'util';
+
+global.TextEncoder = util.TextEncoder;
+global.TextDecoder = util.TextDecoder;
diff --git a/jest.config.js b/jest.config.js
index 28433deb..70853185 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -15,7 +15,7 @@ module.exports = {
       lines: 85,
     },
   },
-  setupFiles: ['<rootDir>/config/jest/setupEnzyme.js'],
+  setupFiles: ['<rootDir>/config/jest/setupBeforeEnzyme.js', '<rootDir>/config/jest/setupEnzyme.js'],
   setupFilesAfterEnv: ['<rootDir>/config/jest/setupTests.ts'],
   testMatch: ['<rootDir>/test/**/*.test.{ts,tsx}'],
   testEnvironment: 'jsdom',
@@ -24,18 +24,18 @@ module.exports = {
   },
   transform: {
     '^.+\\.(ts|tsx|js)$': '<rootDir>/node_modules/babel-jest',
-    '^(?!.*\\.(ts|tsx|js|json)$)': '<rootDir>/config/jest/fileTransform.js',
+    '^.+\\.scss$': '<rootDir>/config/jest/cssTransform.js',
+    '^(?!.*\\.(ts|tsx|js|json|scss)$)': '<rootDir>/config/jest/fileTransform.js',
   },
   transformIgnorePatterns: [
     '<rootDir>/.stryker-tmp',
-    'node_modules\/(?!(\@react-leaflet|react-leaflet|leaflet|react-chartjs-2)\/)',
+    'node_modules\/(?!(\@react-leaflet|react-leaflet|leaflet|react-chartjs-2|react-colorful)\/)',
     '^.+\\.module\\.scss$',
   ],
   moduleNameMapper: {
     '^.+\\.module\\.scss$': 'identity-obj-proxy',
-    // Reactstrap module resolution does not work in jest for some reason. Manually mapping it solves the problem
-    'reactstrap': '<rootDir>/node_modules/reactstrap/dist/reactstrap.umd.js',
     'react-chartjs-2': '<rootDir>/node_modules/react-chartjs-2/dist/index.js',
+    'uuid': '<rootDir>/node_modules/uuid/dist/index.js',
   },
   moduleFileExtensions: ['js', 'ts', 'tsx', 'json'],
 };