tests/e2e: add symbol-history-versions-page

Change-Id: I99ca3086333212a5c88706bb0a382b6c571e37ef
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/340390
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jamal Carvalho <jamal@golang.org>
diff --git a/tests/e2e/__image_snapshots__/ci/unit-mobile--rsc.io-quote?tab=versions-snap.png b/tests/e2e/__image_snapshots__/ci/unit-mobile--rsc.io-quote?tab=versions-snap.png
index 35de7eb..b14a7a3 100644
--- a/tests/e2e/__image_snapshots__/ci/unit-mobile--rsc.io-quote?tab=versions-snap.png
+++ b/tests/e2e/__image_snapshots__/ci/unit-mobile--rsc.io-quote?tab=versions-snap.png
Binary files differ
diff --git a/tests/e2e/config.yaml b/tests/e2e/config.yaml
index 2222e23..266da7d 100644
--- a/tests/e2e/config.yaml
+++ b/tests/e2e/config.yaml
@@ -3,3 +3,5 @@
     rollout: 100
   - name: new-unit-layout
     rollout: 100
+  - name: symbol-history-versions-page
+    rollout: 100