update assert to avoid snapshot errors

Author: digitalsadhu

.travis.yml

@@ -5,7 +5,7 @@ cache:
 notifications:
     email: false
 node_js:
+    - '11'
     - '10'
-    - '9'
     - '8'
 dist: trusty

test/__snapshots__/index.test.js.snap

@@ -719,84 +719,3 @@ Object {
   },
 }
 `;
-
-exports[`time metrics overridden to be summaries 1`] = `
-Object {
-  "time_series": Summary {
-    "aggregator": "sum",
-    "hashMap": Object {
-      "": Object {
-        "count": 6,
-        "labels": Object {},
-        "sum": 56,
-        "td": TDigest {
-          "CX": 1.1,
-          "K": 25,
-          "centroids": TreeBase {
-            "_comparator": [Function],
-            "_root": Node {
-              "data": Object {
-                "cumn": 3,
-                "mean": 10,
-                "mean_cumn": 2,
-                "n": 2,
-              },
-              "left": Node {
-                "data": Object {
-                  "cumn": 1,
-                  "mean": 1,
-                  "mean_cumn": 0.5,
-                  "n": 1,
-                },
-                "left": null,
-                "red": false,
-                "right": null,
-              },
-              "red": false,
-              "right": Node {
-                "data": Object {
-                  "cumn": 6,
-                  "mean": 12,
-                  "mean_cumn": 5,
-                  "n": 2,
-                },
-                "left": Node {
-                  "data": Object {
-                    "cumn": 4,
-                    "mean": 11,
-                    "mean_cumn": 3.5,
-                    "n": 1,
-                  },
-                  "left": null,
-                  "red": true,
-                  "right": null,
-                },
-                "red": false,
-                "right": null,
-              },
-            },
-            "size": 4,
-          },
-          "delta": 0.01,
-          "discrete": false,
-          "last_cumulate": 6,
-          "n": 6,
-          "nreset": 1,
-        },
-      },
-    },
-    "help": ".",
-    "labelNames": Array [],
-    "name": "time_series",
-    "percentiles": Array [
-      0.01,
-      0.05,
-      0.5,
-      0.9,
-      0.95,
-      0.99,
-      0.999,
-    ],
-  },
-}
-`;

test/index.test.js

@@ -186,7 +186,9 @@ test('time metrics overridden to be summaries', done => {
 
     consumer.on('finish', () => {
         // eslint-disable-next-line no-underscore-dangle
-        expect(consumer.registry._metrics).toMatchSnapshot();
+        expect(consumer.registry._metrics.time_series).toBeInstanceOf(
+            promClient.Summary,
+        );
         done();
     });
 });