code: public static void context(CharSequence context, int indent) {
          if (Boolean.getBoolean("visibleassertions.silence")) {
              return;
          }
  
          StringBuilder sb = new StringBuilder();
          for (int i = 0; i < indent; i++) sb.append(" ");
          for (int i = 0; i < 4; i++) sb.append(CONTEXT_MARK);
  
          sb.append(" ");
          sb.append(context);
  
          int terminalWidth = terminalWidth();
          sb.append(" ");
          for (int i = sb.length(); i < terminalWidth; i++) {
              sb.append(CONTEXT_MARK);
          }
  
          System.out.println(dim(sb.toString()));
      }
docs: Log a contextual message, in the style of a 'dividing line' in the test output.
  <p>
  The output will be in grey, surrounded by a horizontal line the full width of the current terminal (or 80 chars).
  
  @param context contextual message to output
  @param indent  number of space characters to indent this line by