Add particular exception to satisfy style.

lib/pavilion/commands/_run.py

@@ -7,7 +7,7 @@
 
 from pavilion import result
 from pavilion import schedulers
-from pavilion.errors import TestRunError, ResultError
+from pavilion.errors import TestRunError, ResultError, TestBuilderError
 from pavilion.output import fprint
 from pavilion.status_file import STATES
 from pavilion.sys_vars import base_classes
@@ -78,7 +78,7 @@ def run(self, pav_cfg, args):
                 if not test.build_local:
                     if not test.build():
                         fprint(sys.stdout, "Test {} build failed.".format(test.full_id))
-                        raise Exception("Unknown build error. Refer to the kickoff log.")
+                        raise TestBuilderError("Unknown build error.")
             except Exception:
                 test.status.set(
                     STATES.BUILD_ERROR,