fix(tests): clean up leaked nock interceptor after httpTimeout test to prevent flaky CI failures

Author: cschetan77

test/client.tests.js

@@ -293,6 +293,7 @@ describe('client initialization', function () {
         httpTimeout: 500,
       });
       await expect(getClient(config)).to.be.rejectedWith('operation timed out');
+      nock.cleanAll();
     });
   });