Fix Flaky AT4 E2E Test (#211)

- Switch selected building to a more reliable one (DO - Stinger Dome)
- VL and VE are partially overlapped at times, causing wrong clicks sometimes.

Author: benjaminsunliu

.maestro/US1/AT4buildingPopup.yaml

@@ -7,10 +7,10 @@ appId: host.exp.Exponent
     file: ../openLink.yaml
 - tapOn: "LOY"
 - tapOn:
-    id: "marker-VL"
+    id: "marker-DO"
 - assertVisible:
-    text: "VL – Vanier Library Building"
+    text: "DO – Stinger Dome"
 - tapOn:
     point: "95%, 50%"
 - assertNotVisible:
-    text: "VL – Vanier Library Building"
+    text: "DO – Stinger Dome"