test: Implement tests for get forms internal API endpoint

packages/backend/test/mocks/rest/internal/api/v1/forms/get-form.ee.js

@@ -0,0 +1,24 @@
+const getFormMock = (flow, formStep) => {
+  const data = {
+    id: flow.id,
+    name: flow.name,
+    fields: formStep?.parameters?.fields?.map((field) => ({
+      fieldKey: field.fieldKey,
+      fieldName: field.fieldName,
+      fieldType: field.fieldType,
+    })),
+  };
+
+  return {
+    data,
+    meta: {
+      count: 1,
+      currentPage: null,
+      isArray: false,
+      totalPages: null,
+      type: 'Flow',
+    },
+  };
+};
+
+export default getFormMock;