Correcting Unit tests fo DCV

Author: Himani Deshpande

cookbooks/aws-parallelcluster-platform/spec/unit/resources/dcv_spec.rb

@@ -144,7 +144,8 @@ def self.nothing(chef_run)
           expect(resource.dcv_gl).to eq("/nice-dcv-gl_#{dcv_gl_version}_#{dcv_pkg_arch}.#{base_os}.deb")
         else
           dcv_platform_version = platform == "amazon" ? "7" :  version.to_i
-          expect(resource.dcv_package).to eq("nice-dcv-#{dcv_version}-el#{dcv_platform_version}-#{dcv_url_arch}")
+          dcv_platform_version_pkg = platform == "amazon" ? "amzn2" :  "el" + version
+          expect(resource.dcv_package).to eq("nice-dcv-#{dcv_version}-#{dcv_platform_version_pkg}-#{dcv_url_arch}")
           expect(resource.dcv_server).to eq("nice-dcv-server-#{dcv_server_version}.el#{dcv_platform_version}.#{dcv_url_arch}.rpm")
           expect(resource.xdcv).to eq("nice-xdcv-#{xdcv_version}.el#{dcv_platform_version}.#{dcv_url_arch}.rpm")
           expect(resource.dcv_web_viewer).to eq("nice-dcv-web-viewer-#{dcv_webviewer_version}.el#{dcv_platform_version}.#{dcv_url_arch}.rpm")