fix tests that relied on different logger

test/api/v3/unit/libs/email.test.js

@@ -61,13 +61,15 @@ describe('emails', () => {
       sandbox.stub(logger, 'error');
 
       let attachEmail = require(pathToEmailLib);
-      attachEmail.send();
+      let promise = attachEmail.send();
       expect(sendMailSpy).to.be.calledOnce;
       deferred.reject();
-      deferred.promise.catch(() => {
+
+      // wait for unhandledRejection event to fire
+      setTimeout(() => {
         expect(logger.error).to.be.calledOnce;
         done();
-      });
+      }, 20);
     });
   });
 

test/api/v3/unit/middlewares/errorHandler.test.js

@@ -153,11 +153,10 @@ describe('errorHandler', () => {
     errorHandler(error, req, res, next);
 
     expect(logger.error).to.be.calledOnce;
-    expect(logger.error).to.be.calledWithExactly(error.stack, {
+    expect(logger.error).to.be.calledWithExactly(error, {
       originalUrl: req.originalUrl,
       headers: req.headers,
       body: req.body,
-      fullError: error,
     });
   });
 });