diff --git a/front/src/helpers/__snapshots__/zotero/group-collection.bib b/front/src/helpers/__snapshots__/zotero/group-collection.bib
index f71a52e9f..3d0af5f6f 100644
--- a/front/src/helpers/__snapshots__/zotero/group-collection.bib
+++ b/front/src/helpers/__snapshots__/zotero/group-collection.bib
@@ -17,113 +17,3 @@ @misc{grossetie_test_nodate
 	journal = {How to},
 	author = {GROSSETIE, guillaume},
 }
-
-@unpublished{noauthor_notitle_nodate,
-}
-
-@misc{noauthor_notitle_nodate-1,
-}
-
-@misc{noauthor_notitle_nodate-2,
-}
-
-@book{noauthor_test19_nodate,
-	title = {test19},
-}
-
-@book{noauthor_test26_nodate,
-	title = {test26},
-}
-
-@book{noauthor_test25_nodate,
-	title = {test25},
-}
-
-@book{noauthor_test24_nodate,
-	title = {test24},
-}
-
-@book{noauthor_test23_nodate,
-	title = {test23},
-}
-
-@book{noauthor_test22_nodate,
-	title = {test22},
-}
-
-@book{noauthor_test21_nodate,
-	title = {test21},
-}
-
-@book{noauthor_test20_nodate,
-	title = {test20},
-}
-
-@book{noauthor_test9_nodate,
-	title = {test9},
-}
-
-@book{noauthor_test8_nodate,
-	title = {test8},
-}
-
-@book{noauthor_test5_nodate,
-	title = {test5},
-}
-
-@book{noauthor_test7_nodate,
-	title = {test7},
-}
-
-@book{noauthor_test6_nodate,
-	title = {test6},
-}
-
-@book{noauthor_test4_nodate,
-	title = {test4},
-}
-
-@book{noauthor_test16_nodate,
-	title = {test16},
-}
-
-@book{noauthor_test15_nodate,
-	title = {test15},
-}
-
-@book{noauthor_test14_nodate,
-	title = {test14},
-}
-
-@book{noauthor_test12_nodate,
-	title = {test12},
-}
-
-@book{noauthor_test11_nodate,
-	title = {test11},
-}
-
-
-@book{noauthor_test3_nodate,
-	title = {test3},
-}
-
-@book{noauthor_test2_nodate,
-	title = {test2},
-}
-
-@book{noauthor_test18_nodate,
-	title = {test18},
-}
-
-@book{noauthor_test17_nodate,
-	title = {test17},
-}
-
-@book{noauthor_test13_nodate,
-	title = {test13},
-}
-
-@book{noauthor_test10_nodate,
-	title = {test10},
-}
diff --git a/front/src/helpers/zotero.test.js b/front/src/helpers/zotero.test.js
index 2e384c082..d930e492a 100644
--- a/front/src/helpers/zotero.test.js
+++ b/front/src/helpers/zotero.test.js
@@ -1,10 +1,41 @@
-import { describe, test, expect } from 'vitest'
+import { describe, test, expect, vi } from 'vitest'
 import { fetchBibliographyFromCollectionHref } from './zotero'
 
 describe('fetchBibliographyFromCollection', () => {
+  fetch
+    .mockResolvedValueOnce({
+      headers: new Headers({ Link: '<https://api.zotero.org/page/2>; rel="next"' }),
+      text: vi.fn().mockResolvedValue(`
+@book{grossetie_test1_nodate,
+	title = {test1},
+	publisher = {Moi},
+	author = {Grossetie, Guillaume},
+}
+
+@misc{grossetie_hello_nodate,
+	title = {Hello},
+	shorttitle = {Hi},
+	author = {Grossetie, Guillaume},
+}`)
+    })
+    .mockResolvedValueOnce({
+      headers: new Headers({ Link: '<https://api.zotero.org/page/3>; rel="next"' }),
+      text: vi.fn().mockResolvedValue('')
+    })
+    .mockResolvedValueOnce({
+      headers:new Headers({}),
+      text: vi.fn().mockResolvedValue(`
+@misc{grossetie_test_nodate,
+	type = {yuzutech.fr},
+	title = {test},
+	journal = {How to},
+	author = {GROSSETIE, guillaume},
+}`)
+    })
+
+
   test('fetches a paginated collection of more than 25 elements', async () => {
     const zoteroId = '2478772/collections/UGF4W4PZ'
-
     const bib = await fetchBibliographyFromCollectionHref({
       collectionHref: `https://api.zotero.org/groups/${zoteroId}`,
     })
diff --git a/front/tests/setup.js b/front/tests/setup.js
index 4aeb6d828..b47d0cb9a 100644
--- a/front/tests/setup.js
+++ b/front/tests/setup.js
@@ -4,4 +4,7 @@ import '@testing-library/jest-dom/vitest'
 
 vi.mock('react-router-dom')
 
+// mock Fetch requests
+globalThis.fetch = vi.fn()
+
 afterEach(() => cleanup())