fix: do not assume not explicitly enabled by default for 7.0+

It's possible the setting can exist in the cluster we're using so we shouldn't have a test assuming it'd be undefined (and thus not show) for versions >= 7

Author: gagik

packages/shell-api/src/shard.spec.ts

@@ -2530,6 +2530,8 @@ describe('Shard', function () {
     });
     describe('automerge', function () {
       it('not shown if sh.status() if not explicitly enabled', async function () {
+        // It might be explicitly set from 7.0
+        skipIfServerVersion(mongos, '>= 7.0');
         expect((await sh.status()).value.automerge).is.undefined;
       });
       describe('from 7.0', function () {