e2e-tests: Use now available cluster_port

Use cluster_port property instead of core's http_port to increase
flexibility of choosing the active instance.

Change-Id: I0d4b688bb98e75d0ccee6d17fe19d13179e7f8d4

src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.json

diff --git a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.json b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.json
index 5720f53..026b03a 100644
--- a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.json
+++ b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.json
@@ -1,5 +1,5 @@
 [
   {
-    "url": "HTTP_SCHEME://HOSTNAME:HTTP_PORT/a/projects/PROJECT/delete-project~delete"
+    "url": "HTTP_SCHEME://HOSTNAME:CLUSTER_PORT/a/projects/PROJECT/delete-project~delete"
   }
 ]

src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/GetProjectsCacheEntries.json

diff --git a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/GetProjectsCacheEntries.json b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/GetProjectsCacheEntries.json
index e4e2643..8401fa4 100644
--- a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/GetProjectsCacheEntries.json
+++ b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/GetProjectsCacheEntries.json
@@ -1,5 +1,5 @@
 [
   {
-    "url": "HTTP_SCHEME://HOSTNAME:HTTP_PORT/a/config/server/caches/projects"
+    "url": "HTTP_SCHEME://HOSTNAME:CLUSTER_PORT/a/config/server/caches/projects"
   }
 ]