LPD-52686 Exclude open search 2 unit tests from acceptance, since these are failing in all executions since September

Author: ealonso

test.properties

@@ -2401,6 +2401,7 @@
         **/batch-planner/**/*Test.java,\
         **/headless-builder/**/*Test.java,\
         **/mulesoft/**/*Test.java,\
+        **/portal-search-opensearch2/**/*Test.java,\
         **/talend/**/*Test.java
 
     test.batch.dist.app.servers[acceptance]=${test.batch.dist.app.servers}