diff --git a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1-body.json b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1-body.json
new file mode 100644
index 0000000..23bf26c
--- /dev/null
+++ b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1-body.json
@@ -0,0 +1,5 @@
+{
+  "project": "${project}",
+  "branch": "master",
+  "subject": "Change"
+}
diff --git a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1.json b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1.json
new file mode 100644
index 0000000..b535c1d
--- /dev/null
+++ b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1.json
@@ -0,0 +1,6 @@
+[
+  {
+    "url": "http://HOSTNAME:HTTP_PORT1/a/changes/",
+    "project": "_PROJECT"
+  }
+]
diff --git a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateProjectUsingHAGerrit1-body.json b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateProjectUsingHAGerrit1-body.json
new file mode 100644
index 0000000..bcf4708
--- /dev/null
+++ b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateProjectUsingHAGerrit1-body.json
@@ -0,0 +1,3 @@
+{
+  "create_empty_commit": "true"
+}
diff --git a/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteChangeUsingHAGerrit2.json b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteChangeUsingHAGerrit2.json
new file mode 100644
index 0000000..55167bd
--- /dev/null
+++ b/src/test/resources/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteChangeUsingHAGerrit2.json
@@ -0,0 +1,6 @@
+[
+  {
+    "url": "http://HOSTNAME:HTTP_PORT2/a/changes/",
+    "number": "_NUMBER"
+  }
+]
diff --git a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CloneUsingHAGerrit2.scala b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CloneUsingHAGerrit2.scala
index 28891b1..03f516f 100644
--- a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CloneUsingHAGerrit2.scala
+++ b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CloneUsingHAGerrit2.scala
@@ -22,7 +22,7 @@
 import scala.concurrent.duration._
 
 class CloneUsingHAGerrit2 extends GitSimulation {
-  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(url).queue
+  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(keys).queue
   private var default: String = name
 
   def this(default: String) {
diff --git a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1.scala b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1.scala
new file mode 100644
index 0000000..cab5797
--- /dev/null
+++ b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateChangeUsingHAGerrit1.scala
@@ -0,0 +1,65 @@
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.ericsson.gerrit.plugins.highavailability.scenarios
+
+import com.google.gerrit.scenarios.GerritSimulation
+import io.gatling.core.Predef.{atOnceUsers, _}
+import io.gatling.core.feeder.FileBasedFeederBuilder
+import io.gatling.core.structure.ScenarioBuilder
+import io.gatling.http.Predef._
+
+import scala.concurrent.duration._
+
+class CreateChangeUsingHAGerrit1 extends GerritSimulation {
+  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(keys).queue
+  private val default: String = name
+  private val numberKey = "_number"
+
+  override def replaceOverride(in: String): String = {
+    replaceProperty("http_port1", 8081, in)
+  }
+
+  val test: ScenarioBuilder = scenario(unique)
+    .feed(data)
+    .exec(httpRequest
+      .body(ElFileBody(body)).asJson
+      .check(regex("\"" + numberKey + "\":(\\d+),").saveAs(numberKey)))
+    .exec(session => {
+      deleteChange.number = Some(session(numberKey).as[Int])
+      session
+    })
+
+  private val createProject = new CreateProjectUsingHAGerrit1(default)
+  private val deleteProject = new DeleteProjectUsingHAGerrit(default)
+  private val deleteChange = new DeleteChangeUsingHAGerrit2
+
+  setUp(
+    createProject.test.inject(
+      atOnceUsers(1)
+    ),
+    test.inject(
+      nothingFor(2 seconds),
+      atOnceUsers(1)
+    ),
+    deleteChange.test.inject(
+      nothingFor(20 seconds),
+      atOnceUsers(1)
+    ),
+    deleteProject.test.inject(
+      nothingFor(40 seconds),
+      atOnceUsers(1)
+    ),
+  ).protocols(httpProtocol)
+}
diff --git a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateProjectUsingHAGerrit1.scala b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateProjectUsingHAGerrit1.scala
index 958fd1e..679c055 100644
--- a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateProjectUsingHAGerrit1.scala
+++ b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/CreateProjectUsingHAGerrit1.scala
@@ -20,7 +20,7 @@
 import io.gatling.core.structure.ScenarioBuilder
 
 class CreateProjectUsingHAGerrit1 extends ProjectSimulation {
-  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(url).queue
+  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(keys).queue
 
   def this(default: String) {
     this()
@@ -34,7 +34,7 @@
 
   val test: ScenarioBuilder = scenario(unique)
     .feed(data)
-    .exec(httpRequest)
+    .exec(httpRequest.body(RawFileBody(body)).asJson)
 
   setUp(
     test.inject(
diff --git a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteChangeUsingHAGerrit2.scala b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteChangeUsingHAGerrit2.scala
new file mode 100644
index 0000000..b7c73a9
--- /dev/null
+++ b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteChangeUsingHAGerrit2.scala
@@ -0,0 +1,47 @@
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.ericsson.gerrit.plugins.highavailability.scenarios
+
+import com.google.gerrit.scenarios.GerritSimulation
+import io.gatling.core.Predef.{atOnceUsers, _}
+import io.gatling.core.feeder.FileBasedFeederBuilder
+import io.gatling.core.structure.ScenarioBuilder
+import io.gatling.http.Predef.http
+
+class DeleteChangeUsingHAGerrit2 extends GerritSimulation {
+  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(keys).queue
+  var number: Option[Int] = None
+
+  override def replaceOverride(in: String): String = {
+    replaceProperty("http_port2", 8082, in)
+  }
+
+  val test: ScenarioBuilder = scenario(unique)
+    .feed(data)
+    .exec(session => {
+      if (number.nonEmpty) {
+        session.set("number", number.get)
+      } else {
+        session
+      }
+    })
+    .exec(http(unique).delete("${url}${number}"))
+
+  setUp(
+    test.inject(
+      atOnceUsers(1)
+    ),
+  ).protocols(httpProtocol)
+}
diff --git a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.scala b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.scala
index b0232e6..d329573 100644
--- a/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.scala
+++ b/src/test/scala/com/ericsson/gerrit/plugins/highavailability/scenarios/DeleteProjectUsingHAGerrit.scala
@@ -20,7 +20,7 @@
 import io.gatling.core.structure.ScenarioBuilder
 
 class DeleteProjectUsingHAGerrit extends ProjectSimulation {
-  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(url).queue
+  private val data: FileBasedFeederBuilder[Any]#F#F = jsonFile(resource).convert(keys).queue
 
   def this(default: String) {
     this()