Add feature test.
Add feature test.

No account, no sign in. Progress towards #3.

thfield/somerville-teacher-tool,jhilde/studentinsights,codeforamerica/somerville-teacher-tool,studentinsights/studentinsights,jamestyack/somerville-teacher-tool,codeforamerica/somerville-teacher-tool,hunterowens/somerville-teacher-tool,studentinsights/studentinsights,codeforamerica/somerville-teacher-tool,jhilde/studentinsights,hunterowens/somerville-teacher-tool,thfield/somerville-teacher-tool,erose/studentinsights,erose/studentinsights,jamestyack/somerville-teacher-tool,jamestyack/somerville-teacher-tool,studentinsights/studentinsights,erose/studentinsights,jhilde/studentinsights,erose/studentinsights,jhilde/studentinsights,codeforamerica/somerville-teacher-tool,hunterowens/somerville-teacher-tool,thfield/somerville-teacher-tool,studentinsights/studentinsights