fix ecdsa name for stepca

.github/workflows/Ubuntu.yml

@@ -31,13 +31,13 @@ jobs:
            CA_EMAIL: "[email protected]"
            TEST_PREFERRED_CHAIN: ""
          - TEST_ACME_Server: "https://localhost:9000/acme/acme/directory"
-           CA_ECDSA: ""
+           CA_ECDSA: "Smallstep Intermediate CA"
            CA: "Smallstep Intermediate CA"
            CA_EMAIL: ""
            TEST_PREFERRED_CHAIN: ""
            NO_REVOKE: 1
          - TEST_ACME_Server: "https://localhost:9000/acme/acme/directory"
-           CA_ECDSA: ""
+           CA_ECDSA: "Smallstep Intermediate CA"
            CA: "Smallstep Intermediate CA"
            CA_EMAIL: ""
            TEST_PREFERRED_CHAIN: ""