tests.it.buildgen.optional

• arbitrary
• automatic_dependency
• backend_errors
• code_command
• empty_reggaefile
• export_
• implicits
• multiple_outputs
• optional
• outputs_in_project_path
• phony
• reggaefile_errors
• two_builds_reggaefile

• generateBuild
• shouldBuild
• shouldEqualLines
• shouldFail
• shouldSucceed