the triangle is better to read.

lib/trailblazer/workflow/state/discovery.rb

@@ -119,17 +119,20 @@ def self.render_cli_state_table(discovery_state_table)
           ) # 186 for laptop 13"
         end
 
-        def self.readable_name_for_catch_event(position)
-          "#{position[:tuple][0]}: (✉)➔[#{position[:comment][1]}]"
+        def self.readable_name_for_catch_event(position, envelope_icon: false)
+          envelope_icon = "(✉)➔" # TODO: implement {envelope_icon} flag.
+          envelope_icon = "▶"
+
+          "#{position[:tuple][0]}: #{envelope_icon}[#{position[:comment][1]}]"
         end
 
         def self.readable_name_for_resume_event(position)
           resume_labels = position[:comment][1]
 
-          catch_events = resume_labels.collect { |catch_label| "(✉)#{catch_label}" }
+          catch_events = resume_labels.collect { |catch_label| "▶#{catch_label}" }
             .join(" ")
 
-          "#{position[:tuple][0]}: ➔[#{catch_events}]"
+          "#{position[:tuple][0]}: [#{catch_events}]"
         end
 
         def self.render_cli_event_table(discovery_state_table, render_ids: false, hide_lanes: [])

lib/trailblazer/workflow/state/discovery/testing.rb

@@ -60,23 +60,30 @@ def self.render_comment_header(structure)
                 content = "#{Discovery.readable_name_for_resume_event(lane_position)}"
               end.join(", ")
 
+              expected_lane_positions = testing_row[:expected_lane_positions].collect do |lane_position|
+                content = "#{readable_name_for_resume_event_or_terminus(lane_position)}"
+              end.join(", ")
+
               Hash[
                 "triggered catch",
                 triggered_catch_event_label,
 
                 "input ctx",
                 nil,
 
-                # *start_configuration_cols
                 "start configuration",
-                start_configuration_cols
+                start_configuration_cols,
+
+                "expected lane positions",
+                expected_lane_positions
               ]
             end
 
 
             Hirb::Helpers::Table.render(cli_rows, fields: [
               "triggered catch",
               "start configuration",
+              "expected lane positions",
             ],
             max_width: 186,
           ) # 186 for laptop 13"
@@ -109,6 +116,15 @@ def self.serialize_lane_position(lane_position, lanes:)
             }
           end
 
+          def self.readable_name_for_resume_event_or_terminus(position)
+            if position[:comment][0] ==  :terminus
+              terminus_label = "End.#{position[:comment][1]}"
+              return "#{position[:tuple][0]}: ◉#{terminus_label}"
+            end
+
+            Discovery.readable_name_for_resume_event(position)
+          end
+
         end # Testing
       end
     end