Group By Taxonomy term on view but show all articles containing it I am trying to generate a view that groups nodes by a taxonomy attached to them but only shows the Taxonomy term once then all the titles under it. 

Term 1 
Article
Article 
Article 
Article 

Term 2 
Article 
Article 

Term 3 
Article 
Article 
Article 

An example of what im trying to solve.
In my example I have Article with taxonomy term reference field tags and have create following content/terms


2 Tags: test1, test2 
4 articles (2 including test1, 2 including test2)


Create a view of content displaying fields and filter to display articles only


add title field 
add tag field (can exclude it from display)  
format settings > choose grouping field Nr 1. > tags