Updates fix version match for RC (#863)

Author: saikumar-vs

cli/tests/generic.spec.ts

@@ -4,7 +4,7 @@ import { readZipFile } from '@helpers/zip-helper';
 
 test.describe('PMM Client "Generic" CLI tests', async () => {
   let PMM_VERSION: string;
-  if (/dev-latest|https:/.test(`${process.env.CLIENT_VERSION}`)) {
+  if (/dev-latest|https:|pmm2-rc/.test(`${process.env.CLIENT_VERSION}`)) {
     // TODO: refactor to use docker hub API to remove file-update dependency
     // See: https://github.com/Percona-QA/package-testing/blob/master/playbooks/pmm2-client_integration_upgrade_custom_path.yml#L41
     PMM_VERSION = cli.execute('curl -s https://raw.githubusercontent.com/Percona-Lab/pmm-submodules/PMM-2.0/VERSION | xargs')