allowing startDate === endDate

Author: Vikas Agarwal

src/routes/phases/update.js

@@ -73,8 +73,8 @@ module.exports = [
           endDate = existing.endDate !== null ? new Date(existing.endDate) : null;
         }
 
-        if (startDate !== null && endDate !== null && startDate >= endDate) {
-          const err = new Error('startDate must be before endDate.');
+        if (startDate !== null && endDate !== null && startDate > endDate) {
+          const err = new Error('startDate must not be after endDate.');
           err.status = 400;
           reject(err);
         } else {

src/routes/phases/update.spec.js

@@ -167,7 +167,7 @@ describe('Project Phases', () => {
         .expect(422, done);
     });
 
-    it('should return 400 when startDate >= endDate', (done) => {
+    it('should return 400 when startDate > endDate', (done) => {
       request(server)
         .patch(`/v4/projects/${projectId}/phases/${phaseId}`)
         .set({