diff --git a/packages/blobs/src/main.test.ts b/packages/blobs/src/main.test.ts
index 669d647eb..bfb56110e 100644
--- a/packages/blobs/src/main.test.ts
+++ b/packages/blobs/src/main.test.ts
@@ -4,7 +4,7 @@ import { env, version as nodeVersion } from 'node:process'
 import { MockFetch } from '@netlify/test-utils'
 import { base64Decode } from '@netlify/runtime-utils'
 import semver from 'semver'
-import { describe, test, expect, beforeAll, afterEach } from 'vitest'
+import { describe, test, expect, beforeAll, afterEach, vi } from 'vitest'
 
 import { base64Encode, streamToString } from '../test/util.js'
 
@@ -30,6 +30,7 @@ beforeAll(async () => {
 afterEach(() => {
   delete env.NETLIFY_BLOBS_CONTEXT
   delete globalThis.netlifyBlobsContext
+  vi.useRealTimers()
 })
 
 const deployID = '6527dfab35be400008332a1d'
@@ -1145,6 +1146,8 @@ describe('set', () => {
     })
 
     test('Retries failed operations', async () => {
+      vi.useFakeTimers()
+
       const mockStore = new MockFetch()
         .put({
           headers: { authorization: `Bearer ${apiToken}` },
@@ -1191,7 +1194,10 @@ describe('set', () => {
         siteID,
       })
 
-      await blobs.set(key, value)
+      const operation = blobs.set(key, value)
+
+      await vi.runAllTimersAsync()
+      await operation
 
       expect(mockStore.fulfilled).toBeTruthy()
     })
@@ -1252,6 +1258,8 @@ describe('set', () => {
     })
 
     test('Retries failed operations', async () => {
+      vi.useFakeTimers()
+
       const mockStore = new MockFetch()
         .put({
           body: value,
@@ -1286,7 +1294,10 @@ describe('set', () => {
         siteID,
       })
 
-      await blobs.set(key, value)
+      const operation = blobs.set(key, value)
+
+      await vi.runAllTimersAsync()
+      await operation
 
       expect(mockStore.fulfilled).toBeTruthy()
     })
diff --git a/packages/blobs/src/retry.test.ts b/packages/blobs/src/retry.test.ts
new file mode 100644
index 000000000..e537082ae
--- /dev/null
+++ b/packages/blobs/src/retry.test.ts
@@ -0,0 +1,13 @@
+import { afterEach, expect, test, vi } from 'vitest'
+
+afterEach(() => vi.unstubAllGlobals())
+
+test('does not access the process environment during import', async () => {
+  vi.stubGlobal('process', {
+    get env() {
+      throw new Error('Environment access is not allowed')
+    },
+  })
+
+  await expect(import('./retry.ts')).resolves.toHaveProperty('fetchAndRetry')
+})
diff --git a/packages/blobs/src/retry.ts b/packages/blobs/src/retry.ts
index 174aa03ae..336a6b530 100644
--- a/packages/blobs/src/retry.ts
+++ b/packages/blobs/src/retry.ts
@@ -1,8 +1,6 @@
-import { getEnvironment } from '@netlify/runtime-utils'
-
 import type { Fetcher } from './types.ts'
 
-const DEFAULT_RETRY_DELAY = getEnvironment().get('NODE_ENV') === 'test' ? 1 : 5000
+const DEFAULT_RETRY_DELAY = 5000
 const MIN_RETRY_DELAY = 1000
 const MAX_RETRY = 5
 const RATE_LIMIT_HEADER = 'X-RateLimit-Reset'