[NO ISSUE][OTH] Convert string-equal-public test to single query

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Convert string-equal-public test to single query
  to avoid random failure on the cancellation test
  due to having multiple queries in a single file.

Change-Id: I99ab027caeb028e22842b04c3dd401d95b285a2e
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/4443
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Hussain Towaileb <hussainht@gmail.com>
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries/string/string-equal-public/string-equal-public.1.query.aql b/asterixdb/asterix-app/src/test/resources/runtimets/queries/string/string-equal-public/string-equal-public.1.query.aql
index d5c2dff..7788161 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries/string/string-equal-public/string-equal-public.1.query.aql
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries/string/string-equal-public/string-equal-public.1.query.aql
@@ -17,5 +17,4 @@
  * under the License.
  */
 
-"的"="离"
-"و"="ن"
+["的"="离", "و"="ن"];
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/string/string-equal-public/string-equal-public.1.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/string/string-equal-public/string-equal-public.1.query.sqlpp
index 64e08f5..c9908a9 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/string/string-equal-public/string-equal-public.1.query.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/string/string-equal-public/string-equal-public.1.query.sqlpp
@@ -16,7 +16,4 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-
-"的"="离";
-"و"="ن"
-;
\ No newline at end of file
+["的"="离", "و"="ن"];
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/string/string-equal-public/string-equal-public.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/string/string-equal-public/string-equal-public.1.adm
index 4b095fd..9d44f79 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/string/string-equal-public/string-equal-public.1.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/string/string-equal-public/string-equal-public.1.adm
@@ -1,2 +1 @@
-false
-false
+[ false, false ]