ale/test/linter/test_ispc_ispc.vader

Before:
  call ale#assert#SetUpLinterTest('ispc', 'ispc')

After:
  call ale#assert#TearDownLinterTest()

Execute(The executable should be configurable):
  AssertLinter 'ispc',
  \ ale#Escape('ispc') . ' --nowrap %s'

  let b:ale_ispc_ispc_executable = 'foo'

  AssertLinter 'foo',
  \ ale#Escape('foo') . ' --nowrap %s'

Execute(The options should be configurable):
  let g:ale_ispc_ispc_options = '--foo'

  AssertLinter 'ispc',
  \ ale#Escape('ispc') . ' --nowrap --foo' . ' %s'