code: public Option fromBndrun(String runFileSpec)  {
          try {
              File runFile = workspace.getFile(runFileSpec);
              Run bndRunInstruction = new Run(workspace, runFile.getParentFile(), runFile);
              return bndToExam(bndRunInstruction);
          } catch (Exception e) {
              throw new RuntimeException("Underlying Bnd Exception: ",e);
          }
      }
docs: Add all bundles resolved by bndrun file to system-under-test.
  
  @param runFileSpec bndrun file to be used.
  
  @return this.