Began adding some initial selectors.

Author: simonprickett

rca-demo/unstyled.html

@@ -60,33 +60,30 @@ <h2>Section 3: Orient to the RCA Workbench</h2>
             <ul>
                 <li class="interactive"
                     data-targetaction="highlight"
-                    data-reftarget="TODO-REPLACE:div[data-testid='rca-workbench-timeline']"
+                    data-reftarget="div.h-full.w-full.overflow-y-scroll.block"
                     data-requirements="exists-reftarget"
                     data-doit="false">
                     <span class="interactive-comment"><strong>Timeline</strong>: shows anomalies and state over time for selected entities.</span>
                     Examine the timeline visualization.
                 </li>
-                <!-- TODO: Replace selector above with the actual timeline container testid/selector. -->
 
                 <li class="interactive"
                     data-targetaction="highlight"
-                    data-reftarget="TODO-REPLACE:button[data-testid='rca-tab-graph']"
+                    data-reftarget="button[data-testid='data-testid Tab Graph']"
                     data-requirements="exists-reftarget"
                     data-doit="false">
                     <span class="interactive-comment"><strong>Graph tab</strong>: pivots to a service graph to understand relationships and blast radius.</span>
                     Inspect the Graph tab control.
                 </li>
-                <!-- TODO: Replace with the actual tab button selector for Graph. -->
 
                 <li class="interactive"
                     data-targetaction="highlight"
-                    data-reftarget="TODO-REPLACE:button[data-testid='rca-tab-timeline']"
+                    data-reftarget="button[data-testid='data-testid Tab Timeline']"
                     data-requirements="exists-reftarget"
                     data-doit="false">
                     <span class="interactive-comment"><strong>Timeline tab</strong>: returns to the timeline-centric view.</span>
                     Inspect the Timeline tab control.
                 </li>
-                <!-- TODO: Replace with the actual tab button selector for Timeline. -->
 
                 <li class="interactive"
                     data-targetaction="highlight"