Skip all snapshot tests (#148)

These tests fail on the node-ci builder:
https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20-%20node.js%20integration%20ng/21832/overview

test/parallel/parallel.status

diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status
index fe45647..9ed971e 100644
--- a/test/parallel/parallel.status
+++ b/test/parallel/parallel.status
@@ -38,6 +38,14 @@
 
 # Node is built without embedded snapshot.
 test-snapshot-basic: SKIP
+test-snapshot-api: SKIP
+test-snapshot-cjs-main: SKIP
+test-snapshot-eval: SKIP
+test-snapshot-gzip: SKIP
+test-snapshot-incompatible: SKIP
+test-snapshot-umd: SKIP
+test-snapshot-warning: SKIP
+test-snapshot-typescript: SKIP
 
 # https://github.com/nodejs/node/issues/43676
 test-repl-pretty-stack: SKIP