[7.x] Comment out flakey test steps (#41743) (#41794)

Backports the following commits to 7.x:
 - Comment out flakey test steps (#41743)

x-pack/test/functional/apps/infra/logs_source_configuration.ts

@@ -98,7 +98,8 @@ export default ({ getPageObjects, getService }: KibanaFunctionalTestDefaultProvi
         await infraSourceConfigurationFlyout.addTimestampLogColumn();
         await infraSourceConfigurationFlyout.addFieldLogColumn('host.name');
 
-        await infraSourceConfigurationFlyout.moveLogColumn(0, 1);
+        // TODO: make test more robust
+        // await infraSourceConfigurationFlyout.moveLogColumn(0, 1);
 
         await infraSourceConfigurationFlyout.saveConfiguration();
         await infraSourceConfigurationFlyout.closeFlyout();
@@ -107,7 +108,9 @@ export default ({ getPageObjects, getService }: KibanaFunctionalTestDefaultProvi
       it('renders the changed log columns with their headers', async () => {
         const columnHeaderLabels = await infraLogStream.getColumnHeaderLabels();
 
-        expect(columnHeaderLabels).to.eql(['host.name', 'Timestamp', '']);
+        // TODO: make test more robust
+        // expect(columnHeaderLabels).to.eql(['host.name', 'Timestamp', '']);
+        expect(columnHeaderLabels).to.eql(['Timestamp', 'host.name', '']);
 
         const logStreamEntries = await infraLogStream.getStreamEntries();