skip test on node 6

Author: lobsterkatie

packages/utils/test/object.test.ts

@@ -4,6 +4,7 @@
 
 import * as isModule from '../src/is';
 import { dropUndefinedKeys, extractExceptionKeysForMessage, fill, normalize, urlEncode } from '../src/object';
+import { testOnlyIfNodeVersionAtLeast } from './testutils';
 
 describe('fill()', () => {
   test('wraps a method by calling a replacement function on it', () => {
@@ -150,7 +151,7 @@ describe('normalize()', () => {
       });
     });
 
-    test('extracts data from `Event` objects', () => {
+    testOnlyIfNodeVersionAtLeast(8)('extracts data from `Event` objects', () => {
       const isElement = jest.spyOn(isModule, 'isElement').mockReturnValue(true);
       const getAttribute = () => undefined;
 

packages/utils/test/testutils.ts

@@ -0,0 +1,13 @@
+export const testOnlyIfNodeVersionAtLeast = (minVersion: number): jest.It => {
+  const currentNodeVersion = process.env.NODE_VERSION;
+
+  try {
+    if (Number(currentNodeVersion?.split('.')[0]) < minVersion) {
+      return it.skip;
+    }
+  } catch (oO) {
+    // we can't tell, so err on the side of running the test
+  }
+
+  return it;
+};