Handle Empty Version In Case Of Build Outside Git

When the product is built outside of Git (e.g. from source assembly),
the version servlet API will return an empty result.  Update expected
result to accept this to enable testing from source assembly

Change-Id: Ic284dd43f9b7b2da700b21b6a2d23769cd562aea
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1659
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <imaxon@apache.org>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/version_1/version_1.1.regex b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/version_1/version_1.1.regex
index f6dbe93..f9dc064 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/api/version_1/version_1.1.regex
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/api/version_1/version_1.1.regex
@@ -1 +1 @@
-/"git.build.version"/
+/(^\{\}$|"git.build.version")/