dont install plugin with --batch, ignore 2751 reproduce tests on this branch

Author: Mpdreamz

src/Tests/Framework/ManagedElasticsearch/Tasks/InstallationTasks/InstallPlugins.cs

@@ -26,7 +26,7 @@ from plugin in ElasticsearchPluginCollection.Supported
 			foreach (var plugin in plugins)
 			{
 				var installParameter = !v.IsSnapshot ? plugin.Moniker : this.DownloadSnapshotIfNeeded(fileSystem, plugin, v);
-				this.ExecuteBinary(fileSystem.PluginBinary, $"install elasticsearch plugin: {plugin.Moniker}", "install --batch", installParameter);
+				this.ExecuteBinary(fileSystem.PluginBinary, $"install elasticsearch plugin: {plugin.Moniker}", "install", installParameter);
 			}
 		}
 

src/Tests/Reproduce/GithubIssue2751.cs

@@ -24,7 +24,7 @@ public class GithubIssue2751: IClusterFixture<ReadOnlyCluster>
 		* the response from /project/project/_search to 5 seconds. See this issue's accompanying PR.
 		*/
 
-		[I]
+		//[I]
 		public async Task TimeoutOfRequestReturnsResponse()
 		{
 			var client = TestClient.GetClient(modifySettings: c => c.RequestTimeout(TimeSpan.FromSeconds(2)));
@@ -67,7 +67,7 @@ public async Task TimeoutOfRequestReturnsResponse()
 			response.ApiCall.AuditTrail.Should().Contain(a=> a.Event == AuditEvent.CancellationRequested);
 		}
 
-		[I]
+		//[I]
 		public async Task UserCancellationDoesNotCauseFailOverToNextNode()
 		{
 			//this tests assumes only a single node is running under 9200 and fiddler is set up to artificially delay results