ale/test/command_callback/test_scalac_command_callback.vader

Before:
  call ale#assert#SetUpLinterTest('scala', 'scalac')

After:
  call ale#assert#TearDownLinterTest()

Given scala(An empty Scala file):
Execute(The default executable and command should be correct):
  AssertLinter 'scalac', ale#Escape('scalac') . ' -Ystop-before:jvm %t'

Given scala.sbt(An empty SBT file):
Execute(scalac should not be run for sbt files):
  AssertLinterNotExecuted