diff --git a/test/datasource/npm/__snapshots__/index.spec.js.snap b/test/datasource/npm/__snapshots__/index.spec.js.snap
index 3296e2e84aa83276471a2a6447032d773f18ced8..edea46723783ed3c870da6b6ea232400d47c0845 100644
--- a/test/datasource/npm/__snapshots__/index.spec.js.snap
+++ b/test/datasource/npm/__snapshots__/index.spec.js.snap
@@ -159,8 +159,6 @@ Object {
 }
 `;
 
-exports[`api/npm should retry when 408 or 5xx 1`] = `null`;
-
 exports[`api/npm should return deprecated 1`] = `
 Object {
   "deprecationMessage": "On registry \`https://registry.npmjs.org/\`, the \\"latest\\" version (v0.0.2) of dependency \`foobar\` has the following deprecation notice:
diff --git a/test/datasource/npm/index.spec.js b/test/datasource/npm/index.spec.js
index 014e9ea18d9f1a2f6163507d274efe259d1bc72e..2e0daee0d9ce4e6bf98d6661f96aa1b9182cc48a 100644
--- a/test/datasource/npm/index.spec.js
+++ b/test/datasource/npm/index.spec.js
@@ -232,6 +232,13 @@ describe('api/npm', () => {
     const res = await npm.getPkgReleases({ lookupName: 'foobar' });
     expect(res).toMatchSnapshot();
   });
+  it('should reject name mismatch', async () => {
+    nock('https://registry.npmjs.org')
+      .get('/different')
+      .reply(200, npmResponse);
+    const res = await npm.getPkgReleases({ lookupName: 'different' });
+    expect(res).toBeNull();
+  });
   it('should handle no time', async () => {
     delete npmResponse.time['0.0.2'];
     nock('https://registry.npmjs.org')
@@ -302,19 +309,6 @@ describe('api/npm', () => {
       Error('registry-failure')
     );
   });
-  it('should retry when 408 or 5xx', async () => {
-    nock('https://registry.npmjs.org')
-      .get('/foobar')
-      .reply(503);
-    nock('https://registry.npmjs.org')
-      .get('/foobar')
-      .reply(408);
-    nock('https://registry.npmjs.org')
-      .get('/foobar')
-      .reply(200);
-    const res = await npm.getPkgReleases({ lookupName: 'foobar' });
-    expect(res).toMatchSnapshot();
-  });
   it('should throw error for others', async () => {
     nock('https://registry.npmjs.org')
       .get('/foobar')