nodejs: add tests to library (#7694)

* nodejs: add tests to library

* new tests

* remove message splitting

* fix race

* docs

* replace extract-zip with yauzl that it wraps (high severity issue)

* fix ci tests

* skip server tests on macos and win unless SMP_SERVER is set

* fix win test

* fix win test

---------

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

packages/simplex-chat-nodejs/tests/fixtures/tls/ca.crt

@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
+MIIBtjCCATagAwIBAgIUe2PryrWo0xXX9vcA3WfbCzcdmgAwBQYDK2VxMCoxFjAU
+BgNVBAMMDVNNUCBzZXJ2ZXIgQ0ExEDAOBgNVBAoMB1NpbXBsZVgwIBcNMjIwMTEx
+MTExNjM5WhgPNDc1OTEyMDgxMTE2MzlaMCoxFjAUBgNVBAMMDVNNUCBzZXJ2ZXIg
+Q0ExEDAOBgNVBAoMB1NpbXBsZVgwQzAFBgMrZXEDOgCAcvFwVicR+RLZpiEWPFNR
+XYTbf+mFcX1NHIyPQDugFwOCgqJAW1fsjYgFhtQJSMH/lc1N7clfm4CjUzBRMB0G
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+6yxMQfCsWgbnwMmJVDAPBgNVHRMBAf8EBTADAQH/MAUGAytlcQNzAAAP/hMPNxyW
+fyJi+iJViodU+C/aklnvHtjh5P3AbiVCSUfY6+PEdvkC8Ov0pBAYpYi5ukSNNVXl
+ABVRlipB+vOcLQStNyaZ7kXzQ2IO/0btmIidh+G6SP8I4aytYIYYcV5pEUZpG1L1
+57g8P29SDv81AA==
+-----END CERTIFICATE-----

packages/simplex-chat-nodejs/tests/fixtures/tls/server.crt

@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

packages/simplex-chat-nodejs/tests/fixtures/tls/server.key

@@ -0,0 +1,4 @@
+-----BEGIN PRIVATE KEY-----
+MEcCAQAwBQYDK2VxBDsEOZcXSjKQ3FQ9EBfqHmFIidOu4LecpUgi5NVPMhx7mS2d
+QNQ0lFasp+EfvLErbs1Sd9xLVxA1hnZJng==
+-----END PRIVATE KEY-----