enable download live only tests (#5586)

sdk/keyvault/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "cpp",
   "TagPrefix": "cpp/keyvault",
-  "Tag": "cpp/keyvault_9c4851577d"
+  "Tag": "cpp/keyvault_b43656c9a5"
 }

sdk/keyvault/azure-security-keyvault-certificates/test/ut/certificate_client_test.cpp

@@ -724,7 +724,7 @@ TEST_F(KeyVaultCertificateClientTest, GetDeletedCertificates)
   }
 }
 
-TEST_F(KeyVaultCertificateClientTest, DownloadImportPkcs_LIVEONLY_)
+TEST_F(KeyVaultCertificateClientTest, DownloadImportPkcs)
 {
   auto testName = GetTestName();
   std::string const pkcs(testName);
@@ -756,7 +756,7 @@ TEST_F(KeyVaultCertificateClientTest, DownloadImportPkcs_LIVEONLY_)
   }
 }
 
-TEST_F(KeyVaultCertificateClientTest, DownloadImportPem_LIVEONLY_)
+TEST_F(KeyVaultCertificateClientTest, DownloadImportPem)
 {
   auto testName = GetTestName();
   std::string const pem(testName);