Reenable tests and fix them based on recent changes

x-pack/legacy/plugins/monitoring/server/lib/logstash/get_paginated_pipelines.js

@@ -33,7 +33,7 @@ export async function getPaginatedPipelines(
   { clusterUuid, logstashUuid },
   { throughputMetric, nodesCountMetric },
   pagination,
-  sort,
+  sort = { field: null },
   queryText
 ) {
   const sortField = sort.field;

x-pack/test/api_integration/apis/monitoring/logstash/fixtures/multicluster_pipelines.json

@@ -1 +1,53 @@
-{"pipelines":[{"id":"uno","metrics":{"throughput":{"bucket_size":"10 seconds","timeRange":{"min":1573485225266,"max":1573485425399},"metric":{"app":"logstash","field":"logstash_stats.pipelines.events.out","label":"Pipeline Throughput","description":"Number of events emitted per second by the Logstash pipeline at the outputs stage.","units":"e/s","format":"0,0.[00]","hasCalculation":true,"isDerivative":false},"data":[[1573485230000,0]]},"nodesCount":{"bucket_size":"10 seconds","timeRange":{"min":1573485225266,"max":1573485425399},"metric":{"app":"logstash","field":"logstash_stats.logstash.uuid","label":"Pipeline Node Count","description":"Number of nodes on which the Logstash pipeline is running.","units":"","format":"0,0.[00]","hasCalculation":true,"isDerivative":false},"data":[[1573485230000,1]]}},"latestThroughput":0,"latestNodesCount":1}],"clusterStatus":{"node_count":1,"events_in_total":0,"events_out_total":0,"avg_memory":1037959168,"avg_memory_used":203687512,"max_uptime":863288,"pipeline_count":1,"queue_types":{"memory":1,"persisted":0},"versions":["8.0.0"]},"totalPipelineCount":1}
+{
+  "pipelines": [
+    {
+      "id": "uno",
+      "metrics": {
+        "throughput": {
+          "bucket_size": "10 seconds",
+          "timeRange": { "min": 1573485225266, "max": 1573485425399 },
+          "metric": {
+            "app": "logstash",
+            "field": "logstash_stats.pipelines.events.out",
+            "label": "Pipeline Throughput",
+            "description": "Number of events emitted per second by the Logstash pipeline at the outputs stage.",
+            "units": "e/s",
+            "format": "0,0.[00]",
+            "hasCalculation": false,
+            "isDerivative": true
+          },
+          "data": [[1573485230000, 0]]
+        },
+        "nodesCount": {
+          "bucket_size": "10 seconds",
+          "timeRange": { "min": 1573485225266, "max": 1573485425399 },
+          "metric": {
+            "app": "logstash",
+            "field": "logstash_stats.logstash.uuid",
+            "label": "Pipeline Node Count",
+            "description": "Number of nodes on which the Logstash pipeline is running.",
+            "units": "",
+            "format": "0,0.[00]",
+            "hasCalculation": true,
+            "isDerivative": false
+          },
+          "data": [[1573485230000, 1]]
+        }
+      },
+      "latestThroughput": 0,
+      "latestNodesCount": 1
+    }
+  ],
+  "clusterStatus": {
+    "node_count": 1,
+    "events_in_total": 0,
+    "events_out_total": 0,
+    "avg_memory": 1037959168,
+    "avg_memory_used": 203687512,
+    "max_uptime": 863288,
+    "pipeline_count": 1,
+    "queue_types": { "memory": 1, "persisted": 0 },
+    "versions": ["8.0.0"]
+  },
+  "totalPipelineCount": 1
+}