diff --git a/src/domain/singups/__mocks__/testUtils.ts b/src/domain/singups/__mocks__/testUtils.ts
index 98fbd857..c6c56828 100644
--- a/src/domain/singups/__mocks__/testUtils.ts
+++ b/src/domain/singups/__mocks__/testUtils.ts
@@ -49,7 +49,12 @@ export const shouldExportSignupsAsExcel = async (
   // Mock document.createElement which is needed by downloadBlob. RenderComponent needs
   // createElement so do this after rendering components to avoid errors
   const createElement = document.createElement;
-  document.createElement = vi.fn().mockImplementation(() => link);
+  document.createElement = vi
+    .fn()
+    .mockImplementation((tagName: string, ...args: any[]) => {
+      if (tagName === 'a') return link;
+      return createElement.call(document, tagName, ...args);
+    });
 
   await user.click(exportAsExcelButton);
 
diff --git a/src/utils/testUtils.tsx b/src/utils/testUtils.tsx
index 45ea5dfa..05fe964f 100644
--- a/src/utils/testUtils.tsx
+++ b/src/utils/testUtils.tsx
@@ -143,11 +143,11 @@ const actWait = (amount?: number): Promise<void> => act(() => wait(amount));
 
 const mockNumberString = (size: number): string =>
   [...Array(size)]
-    .map(() => Math.floor(Math.random() * 10).toString())
+    .map(() => Math.floor(Math.random() * 10).toString()) // NOSONAR
     .join('');
 
 const mockString = (size: number): string =>
-  [...Array(size)].map(() => Math.random().toString(36)[2]).join('');
+  [...Array(size)].map(() => Math.random().toString(36)[2]).join(''); // NOSONAR
 
 const loadingSpinnerIsNotInDocument = async (timeout = 1000): Promise<void> =>
   waitFor(