[TrackingPackage] Warning message for Invalid email should be logged

Description

1. Setup a tracking client as instructed, with invalid email information e.g. test_123 @test
2. Build the project
3. Browse the site
4. Query data in Profile Store, Insight
--> No new trackevent/profile is logged --> correct
5. Check log in:
ProjectName\ProjectName\App_Data\EpiServerErrors.log
Expected: The "Tracking contains invalid Email address" returns
Actual:
2018-11-21 08:18:06,848 [41] ERROR EPiServer.Profiles.Client.ProfileTrackingAdapter: tracking of data ({"trackId":null,"deviceId":"b8a6c05e-dd32-476f-a004-34cb87f0b1c5","scope":"default","eventType":"StartPage17","value":"<>","pageUri":"http://localhost:51992/","pageTitle":"Alloy - collaboration, communication and project management online","user":{"name":"","email":"test_123 @test","information":

,"info":{"website":"http://ps17-website.com","picture":"basetracking17.jpg","streetAddress":"StreetAddress-PS17","phone":"123456","mobile":"123456","city":"Hanoi","state":"","zipCode":"123456","jobTitle":"QA-PS17","company":"Epi-PS17","country":"Vietnam"}},"eventTime":null,"payload":{"value1":"Home Value 1","value2":"Home Value 2","value3":"Home Value 3","user":{"name":"","email":"test_123 @test","information":

,"info":

}},"remoteAddress":"::1"}) failed. Bad Request (BadRequest)