diff --git a/frontend/app/component/form/data_entry/candidates_votes/CandidatesVotesForm.test.tsx b/frontend/app/component/form/data_entry/candidates_votes/CandidatesVotesForm.test.tsx
index 40cbf5fd4..daccea930 100644
--- a/frontend/app/component/form/data_entry/candidates_votes/CandidatesVotesForm.test.tsx
+++ b/frontend/app/component/form/data_entry/candidates_votes/CandidatesVotesForm.test.tsx
@@ -12,15 +12,16 @@ import { getUrlMethodAndBody, overrideOnce, render, screen, server, within } fro
 
 import { DataEntryProvider } from "../state/DataEntryProvider";
 import { DataEntryState } from "../state/types";
-import { defaultFormSection, overrideServerGetDataEntryResponse } from "../test.util";
 import {
+  defaultFormSection,
   emptyDataEntryRequest,
   expectFieldsToBeInvalidAndToHaveAccessibleErrorMessage,
   expectFieldsToBeValidAndToNotHaveAccessibleErrorMessage,
   expectFieldsToHaveIconAndToHaveAccessibleName,
   expectFieldsToNotHaveIcon,
   getCandidateFullNamesFromMockData,
-} from "../testHelperFunctions";
+  overrideServerGetDataEntryResponse,
+} from "../test.util";
 import { CandidatesVotesForm } from "./CandidatesVotesForm";
 
 const defaultDataEntryState: DataEntryState = {
diff --git a/frontend/app/component/form/data_entry/check_and_save/CheckAndSaveForm.test.tsx b/frontend/app/component/form/data_entry/check_and_save/CheckAndSaveForm.test.tsx
index 9565c7554..709fb8f59 100644
--- a/frontend/app/component/form/data_entry/check_and_save/CheckAndSaveForm.test.tsx
+++ b/frontend/app/component/form/data_entry/check_and_save/CheckAndSaveForm.test.tsx
@@ -12,8 +12,12 @@ import { overrideOnce, renderReturningRouter, screen, server, within } from "@ki
 
 import { DataEntryProvider } from "../state/DataEntryProvider";
 import { DataEntryState } from "../state/types";
-import { defaultFormSection, overrideServerGetDataEntryResponse } from "../test.util";
-import { emptyDataEntryRequest, errorWarningMocks } from "../testHelperFunctions";
+import {
+  defaultFormSection,
+  emptyDataEntryRequest,
+  errorWarningMocks,
+  overrideServerGetDataEntryResponse,
+} from "../test.util";
 import { CheckAndSaveForm } from "./CheckAndSaveForm";
 
 const defaultValues = emptyDataEntryRequest.data;
diff --git a/frontend/app/component/form/data_entry/differences/DifferenceForm.test.tsx b/frontend/app/component/form/data_entry/differences/DifferenceForm.test.tsx
index 2b5e6b1ee..515939152 100644
--- a/frontend/app/component/form/data_entry/differences/DifferenceForm.test.tsx
+++ b/frontend/app/component/form/data_entry/differences/DifferenceForm.test.tsx
@@ -2,12 +2,14 @@ import { userEvent } from "@testing-library/user-event";
 import { beforeEach, describe, expect, test, vi } from "vitest";
 
 import {
+  defaultFormSection,
   emptyDataEntryRequest,
   expectFieldsToBeInvalidAndToHaveAccessibleErrorMessage,
   expectFieldsToBeValidAndToNotHaveAccessibleErrorMessage,
   expectFieldsToHaveIconAndToHaveAccessibleName,
   expectFieldsToNotHaveIcon,
-} from "app/component/form/data_entry/testHelperFunctions";
+  overrideServerGetDataEntryResponse,
+} from "app/component/form/data_entry/test.util";
 
 import { POLLING_STATION_DATA_ENTRY_SAVE_REQUEST_BODY } from "@kiesraad/api";
 import {
@@ -19,7 +21,6 @@ import { getUrlMethodAndBody, overrideOnce, render, screen, server, userTypeInpu
 
 import { DataEntryProvider } from "../state/DataEntryProvider";
 import { DataEntryState } from "../state/types";
-import { defaultFormSection, overrideServerGetDataEntryResponse } from "../test.util";
 import { DifferencesForm } from "./DifferencesForm";
 
 const defaultDataEntryState: DataEntryState = {
diff --git a/frontend/app/component/form/data_entry/recounted/RecountedForm.test.tsx b/frontend/app/component/form/data_entry/recounted/RecountedForm.test.tsx
index b1686efff..35aff42ca 100644
--- a/frontend/app/component/form/data_entry/recounted/RecountedForm.test.tsx
+++ b/frontend/app/component/form/data_entry/recounted/RecountedForm.test.tsx
@@ -1,7 +1,7 @@
 import { userEvent } from "@testing-library/user-event";
 import { beforeEach, describe, expect, test, vi } from "vitest";
 
-import { emptyDataEntryRequest, errorWarningMocks } from "app/component/form/data_entry/testHelperFunctions";
+import { emptyDataEntryRequest, errorWarningMocks } from "app/component/form/data_entry/test.util";
 
 import { POLLING_STATION_DATA_ENTRY_SAVE_REQUEST_BODY, SaveDataEntryResponse } from "@kiesraad/api";
 import {
diff --git a/frontend/app/component/form/data_entry/state/dataEntryUtils.test.ts b/frontend/app/component/form/data_entry/state/dataEntryUtils.test.ts
index bf44cd2cb..cd1fc9a94 100644
--- a/frontend/app/component/form/data_entry/state/dataEntryUtils.test.ts
+++ b/frontend/app/component/form/data_entry/state/dataEntryUtils.test.ts
@@ -2,8 +2,7 @@ import { assert, describe, expect, test } from "vitest";
 
 import { ValidationResult } from "@kiesraad/api";
 
-import { defaultDataEntryState, initialValues } from "../test.util";
-import { errorWarningMocks } from "../testHelperFunctions";
+import { defaultDataEntryState, errorWarningMocks, initialValues } from "../test.util";
 import {
   addValidationResultToFormState,
   formSectionComplete,
diff --git a/frontend/app/component/form/data_entry/test.util.ts b/frontend/app/component/form/data_entry/test.util.ts
index 8709a3ab4..f482e55b5 100644
--- a/frontend/app/component/form/data_entry/test.util.ts
+++ b/frontend/app/component/form/data_entry/test.util.ts
@@ -1,6 +1,15 @@
-import { GetDataEntryResponse, PollingStationResults } from "@kiesraad/api";
+import { expect } from "vitest";
+
+import {
+  GetDataEntryResponse,
+  PoliticalGroup,
+  POLLING_STATION_DATA_ENTRY_SAVE_REQUEST_BODY,
+  PollingStationResults,
+  ValidationResult,
+  ValidationResultCode,
+} from "@kiesraad/api";
 import { electionMockData } from "@kiesraad/api-mocks";
-import { overrideOnce } from "@kiesraad/test";
+import { overrideOnce, screen, within } from "@kiesraad/test";
 
 import { getClientState } from "./state/dataEntryUtils";
 import { DataEntryState, FormSection, FormState } from "./state/types";
@@ -119,3 +128,130 @@ export function overrideServerGetDataEntryResponse({
     validation_results: validationResults,
   } satisfies GetDataEntryResponse);
 }
+
+export function expectFieldsToBeInvalidAndToHaveAccessibleErrorMessage(fields: Array<string>, feedbackMessage: string) {
+  fields.forEach((field) => {
+    const inputField = within(screen.getByTestId(`cell-${field}`)).getByRole("textbox");
+    expect(inputField).toBeInvalid();
+    expect(inputField).toHaveAccessibleErrorMessage(feedbackMessage);
+  });
+}
+
+export function expectFieldsToHaveIconAndToHaveAccessibleName(fields: Array<string>, accessibleName: string) {
+  fields.forEach((field) => {
+    const icon = within(screen.getByTestId(`cell-${field}`)).getByRole("img");
+    expect(icon).toHaveAccessibleName(accessibleName);
+  });
+}
+
+export function expectFieldsToBeValidAndToNotHaveAccessibleErrorMessage(fields: Array<string>) {
+  fields.forEach((field) => {
+    const inputField = within(screen.getByTestId(`cell-${field}`)).getByRole("textbox");
+    expect(inputField).toBeValid();
+    expect(inputField).not.toHaveAccessibleErrorMessage();
+  });
+}
+
+export function expectFieldsToNotHaveIcon(fields: Array<string>) {
+  fields.forEach((field) => {
+    const icon = within(screen.getByTestId(`cell-${field}`)).queryByRole("img");
+    expect(icon).toBeNull();
+  });
+}
+
+export const emptyDataEntryRequest: POLLING_STATION_DATA_ENTRY_SAVE_REQUEST_BODY = {
+  progress: 0,
+  data: {
+    voters_counts: {
+      poll_card_count: 0,
+      proxy_certificate_count: 0,
+      voter_card_count: 0,
+      total_admitted_voters_count: 0,
+    },
+    votes_counts: {
+      votes_candidates_count: 0,
+      blank_votes_count: 0,
+      invalid_votes_count: 0,
+      total_votes_cast_count: 0,
+    },
+    differences_counts: {
+      more_ballots_count: 0,
+      fewer_ballots_count: 0,
+      unreturned_ballots_count: 0,
+      too_few_ballots_handed_out_count: 0,
+      too_many_ballots_handed_out_count: 0,
+      other_explanation_count: 0,
+      no_explanation_count: 0,
+    },
+    political_group_votes: electionMockData.political_groups.map((group) => ({
+      number: group.number,
+      total: 0,
+      candidate_votes: group.candidates.map((candidate) => ({
+        number: candidate.number,
+        votes: 0,
+      })),
+    })),
+  },
+  client_state: {
+    test: "test",
+  },
+};
+
+type ErrorWarningsMap<Code extends ValidationResultCode> = {
+  [C in Code]: ValidationResult & { code: C };
+};
+
+export const errorWarningMocks: ErrorWarningsMap<"F101" | "F201" | "F301" | "F204" | "W301" | "W302"> = {
+  F101: {
+    fields: ["data.recounted"],
+    code: "F101",
+  },
+  F201: {
+    fields: [
+      "data.voters_counts.poll_card_count",
+      "data.voters_counts.proxy_certificate_count",
+      "data.voters_counts.voter_card_count",
+      "data.voters_counts.total_admitted_voters_count",
+    ],
+    code: "F201",
+  },
+  F204: {
+    fields: ["data.votes_counts.votes_candidates_count", "data.political_group_votes"],
+    code: "F204",
+  },
+  F301: {
+    fields: ["data.differences_counts.more_ballots_count"],
+    code: "F301",
+  },
+  W301: {
+    fields: [
+      "data.differences_counts.more_ballots_count",
+      "data.differences_counts.too_many_ballots_handed_out_count",
+      "data.differences_counts.unreturned_ballots_count",
+      "data.differences_counts.too_few_ballots_handed_out_count",
+      "data.differences_counts.other_explanation_count",
+      "data.differences_counts.no_explanation_count",
+    ],
+    code: "W301",
+  },
+  W302: {
+    fields: [
+      "data.differences_counts.fewer_ballots_count",
+      "data.differences_counts.unreturned_ballots_count",
+      "data.differences_counts.too_few_ballots_handed_out_count",
+      "data.differences_counts.too_many_ballots_handed_out_count",
+      "data.differences_counts.other_explanation_count",
+      "data.differences_counts.no_explanation_count",
+    ],
+    code: "W302",
+  },
+};
+
+export function getCandidateFullNamesFromMockData(politicalGroupMockData: PoliticalGroup): string[] {
+  const candidateNames = politicalGroupMockData.candidates.map((candidate) => {
+    return candidate.first_name
+      ? `${candidate.last_name}, ${candidate.initials} (${candidate.first_name})`
+      : `${candidate.last_name}, ${candidate.initials}`;
+  });
+  return candidateNames;
+}
diff --git a/frontend/app/component/form/data_entry/testHelperFunctions.ts b/frontend/app/component/form/data_entry/testHelperFunctions.ts
deleted file mode 100644
index 5afdb3cb9..000000000
--- a/frontend/app/component/form/data_entry/testHelperFunctions.ts
+++ /dev/null
@@ -1,137 +0,0 @@
-import { expect } from "vitest";
-
-import {
-  PoliticalGroup,
-  POLLING_STATION_DATA_ENTRY_SAVE_REQUEST_BODY,
-  ValidationResult,
-  ValidationResultCode,
-} from "@kiesraad/api";
-import { electionMockData } from "@kiesraad/api-mocks";
-import { screen, within } from "@kiesraad/test";
-
-export function expectFieldsToBeInvalidAndToHaveAccessibleErrorMessage(fields: Array<string>, feedbackMessage: string) {
-  fields.forEach((field) => {
-    const inputField = within(screen.getByTestId(`cell-${field}`)).getByRole("textbox");
-    expect(inputField).toBeInvalid();
-    expect(inputField).toHaveAccessibleErrorMessage(feedbackMessage);
-  });
-}
-
-export function expectFieldsToHaveIconAndToHaveAccessibleName(fields: Array<string>, accessibleName: string) {
-  fields.forEach((field) => {
-    const icon = within(screen.getByTestId(`cell-${field}`)).getByRole("img");
-    expect(icon).toHaveAccessibleName(accessibleName);
-  });
-}
-
-export function expectFieldsToBeValidAndToNotHaveAccessibleErrorMessage(fields: Array<string>) {
-  fields.forEach((field) => {
-    const inputField = within(screen.getByTestId(`cell-${field}`)).getByRole("textbox");
-    expect(inputField).toBeValid();
-    expect(inputField).not.toHaveAccessibleErrorMessage();
-  });
-}
-
-export function expectFieldsToNotHaveIcon(fields: Array<string>) {
-  fields.forEach((field) => {
-    const icon = within(screen.getByTestId(`cell-${field}`)).queryByRole("img");
-    expect(icon).toBeNull();
-  });
-}
-
-export const emptyDataEntryRequest: POLLING_STATION_DATA_ENTRY_SAVE_REQUEST_BODY = {
-  progress: 0,
-  data: {
-    voters_counts: {
-      poll_card_count: 0,
-      proxy_certificate_count: 0,
-      voter_card_count: 0,
-      total_admitted_voters_count: 0,
-    },
-    votes_counts: {
-      votes_candidates_count: 0,
-      blank_votes_count: 0,
-      invalid_votes_count: 0,
-      total_votes_cast_count: 0,
-    },
-    differences_counts: {
-      more_ballots_count: 0,
-      fewer_ballots_count: 0,
-      unreturned_ballots_count: 0,
-      too_few_ballots_handed_out_count: 0,
-      too_many_ballots_handed_out_count: 0,
-      other_explanation_count: 0,
-      no_explanation_count: 0,
-    },
-    political_group_votes: electionMockData.political_groups.map((group) => ({
-      number: group.number,
-      total: 0,
-      candidate_votes: group.candidates.map((candidate) => ({
-        number: candidate.number,
-        votes: 0,
-      })),
-    })),
-  },
-  client_state: {
-    test: "test",
-  },
-};
-
-type ErrorWarningsMap<Code extends ValidationResultCode> = {
-  [C in Code]: ValidationResult & { code: C };
-};
-
-export const errorWarningMocks: ErrorWarningsMap<"F101" | "F201" | "F301" | "F204" | "W301" | "W302"> = {
-  F101: {
-    fields: ["data.recounted"],
-    code: "F101",
-  },
-  F201: {
-    fields: [
-      "data.voters_counts.poll_card_count",
-      "data.voters_counts.proxy_certificate_count",
-      "data.voters_counts.voter_card_count",
-      "data.voters_counts.total_admitted_voters_count",
-    ],
-    code: "F201",
-  },
-  F204: {
-    fields: ["data.votes_counts.votes_candidates_count", "data.political_group_votes"],
-    code: "F204",
-  },
-  F301: {
-    fields: ["data.differences_counts.more_ballots_count"],
-    code: "F301",
-  },
-  W301: {
-    fields: [
-      "data.differences_counts.more_ballots_count",
-      "data.differences_counts.too_many_ballots_handed_out_count",
-      "data.differences_counts.unreturned_ballots_count",
-      "data.differences_counts.too_few_ballots_handed_out_count",
-      "data.differences_counts.other_explanation_count",
-      "data.differences_counts.no_explanation_count",
-    ],
-    code: "W301",
-  },
-  W302: {
-    fields: [
-      "data.differences_counts.fewer_ballots_count",
-      "data.differences_counts.unreturned_ballots_count",
-      "data.differences_counts.too_few_ballots_handed_out_count",
-      "data.differences_counts.too_many_ballots_handed_out_count",
-      "data.differences_counts.other_explanation_count",
-      "data.differences_counts.no_explanation_count",
-    ],
-    code: "W302",
-  },
-};
-
-export function getCandidateFullNamesFromMockData(politicalGroupMockData: PoliticalGroup): string[] {
-  const candidateNames = politicalGroupMockData.candidates.map((candidate) => {
-    return candidate.first_name
-      ? `${candidate.last_name}, ${candidate.initials} (${candidate.first_name})`
-      : `${candidate.last_name}, ${candidate.initials}`;
-  });
-  return candidateNames;
-}
diff --git a/frontend/app/component/form/data_entry/voters_and_votes/VotersAndVotesForm.test.tsx b/frontend/app/component/form/data_entry/voters_and_votes/VotersAndVotesForm.test.tsx
index f99766199..1db98358f 100644
--- a/frontend/app/component/form/data_entry/voters_and_votes/VotersAndVotesForm.test.tsx
+++ b/frontend/app/component/form/data_entry/voters_and_votes/VotersAndVotesForm.test.tsx
@@ -3,12 +3,14 @@ import { beforeEach, describe, expect, test, vi } from "vitest";
 
 import { mockElection } from "app/component/election/status/mockData";
 import {
+  defaultFormSection,
   emptyDataEntryRequest,
   expectFieldsToBeInvalidAndToHaveAccessibleErrorMessage,
   expectFieldsToBeValidAndToNotHaveAccessibleErrorMessage,
   expectFieldsToHaveIconAndToHaveAccessibleName,
   expectFieldsToNotHaveIcon,
-} from "app/component/form/data_entry/testHelperFunctions";
+  overrideServerGetDataEntryResponse,
+} from "app/component/form/data_entry/test.util";
 
 import {
   GetDataEntryResponse,
@@ -25,7 +27,6 @@ import { getUrlMethodAndBody, overrideOnce, render, screen, server, userTypeInpu
 import { DataEntryProvider } from "../state/DataEntryProvider";
 import { getClientState } from "../state/dataEntryUtils";
 import { DataEntryState } from "../state/types";
-import { defaultFormSection, overrideServerGetDataEntryResponse } from "../test.util";
 import { VotersAndVotesForm } from "./VotersAndVotesForm";
 
 const initialValues: PollingStationResults = {
diff --git a/frontend/app/module/data_entry/DataEntry.integration.test.tsx b/frontend/app/module/data_entry/DataEntry.integration.test.tsx
index 1b096c8f9..92ecdeb6d 100644
--- a/frontend/app/module/data_entry/DataEntry.integration.test.tsx
+++ b/frontend/app/module/data_entry/DataEntry.integration.test.tsx
@@ -2,7 +2,7 @@ import { render as rtlRender, within } from "@testing-library/react";
 import userEvent from "@testing-library/user-event";
 import { beforeEach, describe, expect, test, vi } from "vitest";
 
-import { errorWarningMocks } from "app/component/form/data_entry/testHelperFunctions";
+import { errorWarningMocks } from "app/component/form/data_entry/test.util";
 import { routes } from "app/routes";
 
 import { SaveDataEntryResponse } from "@kiesraad/api";
diff --git a/sigrid.yaml b/sigrid.yaml
index 65582464d..fa5eee912 100644
--- a/sigrid.yaml
+++ b/sigrid.yaml
@@ -166,6 +166,7 @@ languages:
       - ".*[.]e2e[.]ts"
       - ".*.stories[.]tsx"
       - ".*/test-data/.*[.]ts"
+      - ".*/test[.]utils[.]ts"
     generated:
       include:
       - ".*/gen/.*[.]ts"