fixup! fixup! fixup! Test sa exporter

Author: NickCao

action.yml

@@ -76,14 +76,14 @@ runs:
         jmp admin create client   test-client-oidc     --unsafe --out /dev/null \
           --oidc-username dex:test-client-oidc
         jmp admin create client   test-client-sa       --unsafe --out /dev/null \
-          --oidc-username dex:CiJzeXN0ZW06c2VydmljZWFjY291bnQ6ZGVmYXVsdDp0ZXN0LWNsaWVudC1zYRIKa3ViZXJuZXRlcw==
+          --oidc-username dex:system:serviceaccount:default:test-client-sa
         jmp admin create client   test-client-legacy   --unsafe --save
 
         jmp admin create exporter test-exporter-oidc   --out /dev/null \
           --oidc-username dex:test-exporter-oidc \
           --label example.com/board oidc
         jmp admin create exporter test-exporter-sa     --out /dev/null \
-          --oidc-username dex:CiJzeXN0ZW06c2VydmljZWFjY291bnQ6ZGVmYXVsdDp0ZXN0LWV4cG9ydGVyLXNhEgprdWJlcm5ldGVz \
+          --oidc-username dex:system:serviceaccount:default:test-exporter-sa
           --label example.com/board sa
         jmp admin create exporter test-exporter-legacy --save \
           --label example.com/board legacy