diff --git a/tests/test_nitro_cli_args.rs b/tests/test_nitro_cli_args.rs
index 83eabbbd..89832862 100644
--- a/tests/test_nitro_cli_args.rs
+++ b/tests/test_nitro_cli_args.rs
@@ -297,6 +297,134 @@ mod test_nitro_cli_args {
         assert!(app.try_get_matches_from(args).is_ok())
     }
 
+    #[test]
+    fn build_signed_enclave_correct_command_kms_key() {
+        let app = create_app!();
+        let args = vec![
+            "nitro cli",
+            "build-enclave",
+            "--docker-uri",
+            "dkr.ecr.us-east-1.amazonaws.com/stronghold-develss",
+            "--docker-dir",
+            "dir/",
+            "--output-file",
+            "image.eif",
+            "--signing-certificate",
+            "cert.pem",
+            "--kms-key-id",
+            "key_id",
+        ];
+
+        assert!(app.try_get_matches_from(args).is_ok())
+    }
+
+    #[test]
+    fn build_signed_enclave_correct_command_kms_key_and_region() {
+        let app = create_app!();
+        let args = vec![
+            "nitro cli",
+            "build-enclave",
+            "--docker-uri",
+            "dkr.ecr.us-east-1.amazonaws.com/stronghold-develss",
+            "--docker-dir",
+            "dir/",
+            "--output-file",
+            "image.eif",
+            "--signing-certificate",
+            "cert.pem",
+            "--kms-key-id",
+            "key_id",
+            "--kms-key-region",
+            "us-east-1",
+        ];
+
+        assert!(app.try_get_matches_from(args).is_ok())
+    }
+
+    #[test]
+    fn build_signed_enclave_no_key_and_kms_region() {
+        let app = create_app!();
+        let args = vec![
+            "nitro cli",
+            "build-enclave",
+            "--docker-uri",
+            "dkr.ecr.us-east-1.amazonaws.com/stronghold-develss",
+            "--docker-dir",
+            "dir/",
+            "--output-file",
+            "image.eif",
+            "--signing-certificate",
+            "cert.pem",
+            "--kms-key-region",
+            "us-east-1",
+        ];
+
+        assert!(app.try_get_matches_from(args).is_err())
+    }
+
+    #[test]
+    fn build_signed_enclave_missing_certificate() {
+        let app = create_app!();
+        let args = vec![
+            "nitro cli",
+            "build-enclave",
+            "--docker-uri",
+            "dkr.ecr.us-east-1.amazonaws.com/stronghold-develss",
+            "--docker-dir",
+            "dir/",
+            "--output-file",
+            "image.eif",
+            "--private-key",
+            "key.pem",
+        ];
+
+        assert!(app.try_get_matches_from(args).is_err())
+    }
+
+    #[test]
+    fn build_signed_enclave_both_local_and_kms_key() {
+        let app = create_app!();
+        let args = vec![
+            "nitro cli",
+            "build-enclave",
+            "--docker-uri",
+            "dkr.ecr.us-east-1.amazonaws.com/stronghold-develss",
+            "--docker-dir",
+            "dir/",
+            "--output-file",
+            "image.eif",
+            "--signing-certificate",
+            "cert.pem",
+            "--private-key",
+            "key.pem",
+            "--kms-key-id",
+            "key_id",
+        ];
+
+        assert!(app.try_get_matches_from(args).is_err())
+    }
+
+    #[test]
+    fn build_signed_enclave_both_local_and_kms_key_missing_certificate() {
+        let app = create_app!();
+        let args = vec![
+            "nitro cli",
+            "build-enclave",
+            "--docker-uri",
+            "dkr.ecr.us-east-1.amazonaws.com/stronghold-develss",
+            "--docker-dir",
+            "dir/",
+            "--output-file",
+            "image.eif",
+            "--private-key",
+            "key.pem",
+            "--kms-key-id",
+            "key_id",
+        ];
+
+        assert!(app.try_get_matches_from(args).is_err())
+    }
+
     #[test]
     fn build_enclave_with_metadata_correct_command() {
         let app = create_app!();