Pipline lint tests

Tests:

• actions_awsfulltest
  • PipelineLint.actions_awsfulltest()
• actions_awstest
  • PipelineLint.actions_awstest()
• actions_ci
  • PipelineLint.actions_ci()
• actions_schema_validation
  • PipelineLint.actions_schema_validation()
• conda_dockerfile
  • PipelineLint.conda_dockerfile()
• conda_env_yaml
  • PipelineLint.conda_env_yaml()
• files_exist
  • PipelineLint.files_exist()
• files_unchanged
  • PipelineLint.files_unchanged()
• merge_markers
  • PipelineLint.merge_markers()
• nextflow_config
  • PipelineLint.nextflow_config()
• params_used
  • PipelineLint.params_used()
• pipeline_name_conventions
  • PipelineLint.pipeline_name_conventions()
• pipeline_todos
  • PipelineLint.pipeline_todos()
• readme
  • PipelineLint.readme()
• schema_description
  • PipelineLint.schema_description()
• schema_lint
  • PipelineLint.schema_lint()
• schema_params
  • PipelineLint.schema_params()
• template_strings
  • PipelineLint.template_strings()
• version_consistency
  • PipelineLint.version_consistency()