code: def discover():
      
      if CFG["plugins"]["autoload"]:
          experiment_plugins = CFG["plugins"]["experiments"].value
          for exp_plugin in experiment_plugins:
              try:
                  importlib.import_module(exp_plugin)
              except ImportError as import_error:
                  LOG.error("Could not find '%s'", exp_plugin)
                  LOG.error("ImportError: %s", import_error.msg)
docs: Import all experiments listed in PLUGINS_EXPERIMENTS.
  
      Tests:
          >>> from benchbuild.settings import CFG
          >>> from benchbuild.experiments import discover
          >>> import logging as lg
          >>> import sys
          >>> l = lg.getLogger('benchbuild')
          >>> lg.getLogger('benchbuild').setLevel(lg.DEBUG)
          >>> lg.getLogger('benchbuild').handlers = [lg.StreamHandler(stream=sys.stdout)]
          >>> CFG["plugins"]["experiments"] = ["benchbuild.non.existing", "benchbuild.experiments.raw"]
          >>> discover()
          Could not find 'benchbuild.non.existing'
          ImportError: No module named 'benchbuild.non'