Fix tests

app/models/application_record.rb

test/fixtures/.keep

test/fixtures/communication/website/github_files.yml

test/fixtures/education/program/members.yml

test/fixtures/education/program/role/people.yml

test/fixtures/education/program/roles.yml

test/fixtures/education/program/teachers.yml

test/fixtures/education/school/administrators.yml

test/fixtures/research/laboratories.yml

test/fixtures/research/laboratory/axes.yml

test/fixtures/research/theses.yml

test/fixtures/university/person/involvements.yml

test/fixtures/university/roles.yml

test/models/communication/website/github_file_test.rb

test/models/education/program/member_test.rb

test/models/education/program/role/person_test.rb

test/models/education/program/role_test.rb

test/models/education/program/teacher_test.rb

test/models/education/school/administrator_test.rb

test/models/research/laboratory/axis_test.rb