Moved storybook mocks to Preview

.storybook/preview.tsx

@@ -6,13 +6,22 @@ import { getSdkComponentMap } from '@pega/react-sdk-components/lib/bridge/helper
 import { theme } from '../src/theme';
 
 import { decorator } from '../__mocks__/react_pconnect';
+import setPCoreMocks from '../__mocks__/pcoreMocks';
+
+declare global {
+  interface Window {
+    PCore?: any;
+  }
+}
 
 const isConstellation = process.env.STORYBOOK_CONSTELLATION;
 
 if (!isConstellation) {
   getSdkComponentMap();
 }
 
+setPCoreMocks();
+
 const decorators = [
   (Story, context) => {
     return isConstellation ? (

__mocks__/pcoreMocks.tsx

@@ -0,0 +1,27 @@
+export default function setPCoreMocks() {
+  if (!window.PCore) {
+    window.PCore = {} as any;
+  }
+
+  window.PCore.getEnvironmentInfo = () => {
+    return {
+      getUseLocale: () => 'en-GB',
+      getLocale: () => 'en-GB',
+      getTimeZone: () => ''
+    } as any;
+  };
+
+  window.PCore.getLocaleUtils = () => {
+    return {
+      getLocaleValue: (value: any) => value
+    } as any;
+  };
+
+  window.PCore.getConstants = (): any => {
+    return {
+      CASE_INFO: {
+        INSTRUCTIONS: ''
+      }
+    };
+  };
+}