diff --git a/package.json b/package.json
index 3c58cdccf..625d8e62c 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,8 @@
     ],
     "moduleNameMapper": {
       "^flipper$": "<rootDir>/src/index.tsx"
-    }
+    },
+    "clearMocks": true
   },
   "devDependencies": {
     "@jest-runner/electron": "^2.0.1",
diff --git a/src/fb-stubs/__mocks__/Logger.tsx b/src/fb-stubs/__mocks__/Logger.tsx
index f6ee86300..d6504f851 100644
--- a/src/fb-stubs/__mocks__/Logger.tsx
+++ b/src/fb-stubs/__mocks__/Logger.tsx
@@ -9,7 +9,16 @@
 
 import {Store} from '../../reducers/index';
 import {getStringFromErrorLike} from '../../utils/errors';
-import {Args, Logger, TrackType} from '../../fb-interfaces/Logger';
+import {Args, Logger} from '../../fb-interfaces/Logger';
+
+const instance = {
+  track: jest.fn(),
+  trackTimeSince: jest.fn(),
+  info: jest.fn(),
+  warn: jest.fn(),
+  error: jest.fn(),
+  debug: jest.fn(),
+};
 
 export function extractError(
   ...data: Array<any>
@@ -22,30 +31,10 @@ export function extractError(
   };
 }
 
-export class FBLogger implements Logger {
-  constructor(_store?: Store, _args?: Args) {}
-
-  track(_type: TrackType, _event: string, _data?: any, _plugin?: string) {}
-
-  trackTimeSince(_mark: string, _eventName?: string) {}
-
-  info = (..._data: Array<any>) => {};
-
-  warn = (..._data: Array<any>) => {};
-
-  error = (..._data: Array<any>) => {};
-
-  debug = (..._data: Array<any>) => {};
-
-  getLogs(): Array<string> {
-    return [];
-  }
-}
-
 export function init(_store: Store, _args?: Args): Logger {
-  return new FBLogger();
+  return instance;
 }
 
 export function getInstance(): Logger {
-  return new FBLogger();
+  return instance;
 }
diff --git a/src/utils/__tests__/metrics.node.tsx b/src/utils/__tests__/metrics.node.tsx
new file mode 100644
index 000000000..3051ef3c5
--- /dev/null
+++ b/src/utils/__tests__/metrics.node.tsx
@@ -0,0 +1,146 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+jest.mock('../../fb-stubs/Logger');
+try {
+  jest.mock('../../fb/Logger');
+} catch {
+  // Allowed to fail when fb modules are not present.
+}
+
+import {reportPlatformFailures, reportPluginFailures} from '../metrics';
+import {getInstance} from '../../fb/Logger';
+import {CancelledPromiseError} from '../errors';
+import {mocked} from 'ts-jest/utils';
+
+const logger = mocked(getInstance());
+
+test('reportPlatformFailures logs failures correctly', async () => {
+  await reportPlatformFailures(
+    Promise.reject(new Error('Broken Feature')),
+    'test-event',
+  ).catch(() => {
+    // This is expected to throw
+  });
+
+  expect(logger.track.mock.calls).toMatchInlineSnapshot(`
+                Array [
+                  Array [
+                    "success-rate",
+                    "test-event",
+                    Object {
+                      "error": "Broken Feature",
+                      "supportedOperation": 1,
+                      "value": 0,
+                    },
+                  ],
+                ]
+        `);
+});
+
+test('reportPlatformFailures logs cancelled operations correctly', async () => {
+  await reportPlatformFailures(
+    Promise.reject(new CancelledPromiseError('Operation cancelled')),
+    'test-event',
+  ).catch(() => {
+    // This is expected to throw
+  });
+
+  expect(logger.track.mock.calls).toMatchInlineSnapshot(`
+        Array [
+          Array [
+            "operation-cancelled",
+            "test-event",
+          ],
+        ]
+    `);
+});
+
+test('reportPlatformFailures logs success correctly', async () => {
+  await reportPlatformFailures(Promise.resolve('woohoo!'), 'test-event');
+
+  expect(logger.track.mock.calls).toMatchInlineSnapshot(`
+            Array [
+              Array [
+                "success-rate",
+                "test-event",
+                Object {
+                  "value": 1,
+                },
+              ],
+            ]
+      `);
+});
+
+test('reportPluginFailures logs failures correctly', async () => {
+  await reportPluginFailures(
+    Promise.reject(new Error('Broken Feature')),
+    'test-event',
+    'test-plugin',
+  ).catch(() => {
+    // This is expected to throw
+  });
+
+  expect(logger.track.mock.calls).toMatchInlineSnapshot(`
+    Array [
+      Array [
+        "success-rate",
+        "test-event",
+        Object {
+          "error": "Broken Feature",
+          "supportedOperation": 1,
+          "value": 0,
+        },
+        "test-plugin",
+      ],
+    ]
+  `);
+});
+
+test('reportPluginFailures logs cancelled operations correctly', async () => {
+  await reportPluginFailures(
+    Promise.reject(new CancelledPromiseError('Operation cancelled')),
+    'test-event',
+    'test-plugin',
+  ).catch(() => {
+    // This is expected to throw
+  });
+
+  expect(logger.track.mock.calls).toMatchInlineSnapshot(`
+    Array [
+      Array [
+        "operation-cancelled",
+        "test-event",
+        undefined,
+        "test-plugin",
+      ],
+    ]
+  `);
+});
+
+test('reportPluginFailures logs success correctly', async () => {
+  await reportPluginFailures(
+    Promise.resolve('woohoo!'),
+    'test-event',
+    'test-plugin',
+  );
+
+  expect(logger.track.mock.calls).toMatchInlineSnapshot(`
+    Array [
+      Array [
+        "success-rate",
+        "test-event",
+        Object {
+          "value": 1,
+        },
+        "test-plugin",
+      ],
+    ]
+  `);
+});
diff --git a/src/utils/metrics.tsx b/src/utils/metrics.tsx
index fc8484f0c..a971b7a0c 100644
--- a/src/utils/metrics.tsx
+++ b/src/utils/metrics.tsx
@@ -73,11 +73,11 @@ export function reportPluginFailures<T>(
     },
     rejectionReason => {
       if (rejectionReason instanceof CancelledPromiseError) {
-        logPlatformSuccessRate(name, {
+        logPluginSuccessRate(name, plugin, {
           kind: 'cancelled',
         });
       } else {
-        logPlatformSuccessRate(name, {
+        logPluginSuccessRate(name, plugin, {
           kind: 'failure',
           supportedOperation: !(rejectionReason instanceof UnsupportedError),
           error: rejectionReason,