Before:
  call ale#assert#SetUpLinterTest('graphql', 'gqlint')

After:
  call ale#assert#TearDownLinterTest()

Execute(The linter should run from the directory of the file in the buffer):
  AssertLinter 'gqlint',
  \ ale#path#CdString(expand('%:p:h'))
  \   . 'gqlint --reporter=simple'
  \   . ' %t'