diff --git a/service-tests/chocolatey.js b/service-tests/chocolatey.js
index 600e5900d4cb5..c5f1a856e75ff 100644
--- a/service-tests/chocolatey.js
+++ b/service-tests/chocolatey.js
@@ -12,6 +12,7 @@ const {
   versionJsonFirstCharZero,
   versionJsonFirstCharNotZero
 } = require('./helpers/nuget-fixtures.js');
+const { invalidJSON } = require('./helpers/response-fixtures');
 
 const t = new ServiceTester({ id: 'chocolatey', title: 'Chocolatey' });
 module.exports = t;
@@ -39,7 +40,7 @@ t.create('total downloads (unexpected response)')
   .get('/dt/scriptcs.json')
   .intercept(nock => nock('https://www.chocolatey.org')
     .get("/api/v2/Packages()?$filter=Id%20eq%20%27scriptcs%27%20and%20IsLatestVersion%20eq%20true")
-    .reply(200, "{{{{{invalid json}}")
+    .reply(invalidJSON)
   )
   .expectJSON({name: 'chocolatey', value: 'invalid'});
 
@@ -102,7 +103,7 @@ t.create('version (unexpected response)')
   .get('/v/scriptcs.json')
   .intercept(nock => nock('https://www.chocolatey.org')
     .get("/api/v2/Packages()?$filter=Id%20eq%20%27scriptcs%27%20and%20IsLatestVersion%20eq%20true")
-    .reply(200, "{{{{{invalid json}}")
+    .reply(invalidJSON)
   )
   .expectJSON({name: 'chocolatey', value: 'invalid'});
 
@@ -165,6 +166,6 @@ t.create('version (pre) (unexpected response)')
   .get('/vpre/scriptcs.json')
   .intercept(nock => nock('https://www.chocolatey.org')
     .get("/api/v2/Packages()?$filter=Id%20eq%20%27scriptcs%27%20and%20IsAbsoluteLatestVersion%20eq%20true")
-    .reply(200, "{{{{{invalid json}}")
+    .reply(invalidJSON)
   )
   .expectJSON({name: 'chocolatey', value: 'invalid'});
diff --git a/service-tests/powershellgallery.js b/service-tests/powershellgallery.js
index e4464eab0f464..db3b3122fdaf9 100644
--- a/service-tests/powershellgallery.js
+++ b/service-tests/powershellgallery.js
@@ -12,6 +12,7 @@ const {
   versionJsonFirstCharZero,
   versionJsonFirstCharNotZero
 } = require('./helpers/nuget-fixtures.js');
+const { invalidJSON } = require('./helpers/response-fixtures');
 
 const t = new ServiceTester({ id: 'powershellgallery', title: 'PowerShell Gallery' });
 module.exports = t;
@@ -39,7 +40,7 @@ t.create('total downloads (unexpected response)')
   .get('/dt/ACMESharp.json')
   .intercept(nock => nock('https://www.powershellgallery.com')
     .get("/api/v2/Packages()?$filter=Id%20eq%20%27ACMESharp%27%20and%20IsLatestVersion%20eq%20true")
-    .reply(200, "{{{{{invalid json}}")
+    .reply(invalidJSON)
   )
   .expectJSON({name: 'powershellgallery', value: 'invalid'});
 
@@ -102,7 +103,7 @@ t.create('version (unexpected response)')
   .get('/v/ACMESharp.json')
   .intercept(nock => nock('https://www.powershellgallery.com')
     .get("/api/v2/Packages()?$filter=Id%20eq%20%27ACMESharp%27%20and%20IsLatestVersion%20eq%20true")
-    .reply(200, "{{{{{invalid json}}")
+    .reply(invalidJSON)
   )
   .expectJSON({name: 'powershellgallery', value: 'invalid'});
 
@@ -165,6 +166,6 @@ t.create('version (pre) (unexpected response)')
   .get('/vpre/ACMESharp.json')
   .intercept(nock => nock('https://www.powershellgallery.com')
     .get("/api/v2/Packages()?$filter=Id%20eq%20%27ACMESharp%27%20and%20IsAbsoluteLatestVersion%20eq%20true")
-    .reply(200, "{{{{{invalid json}}")
+    .reply(invalidJSON)
   )
   .expectJSON({name: 'powershellgallery', value: 'invalid'});