Adds CD/CD fixtures

.gitlab-ci.yml

+image: "python:3.7"
+
+before_script:
+  - python3 --version
+  - pip3 install -q asn1tools
+
+stages:
+  - Check ASN.1
+
+checkASN1:
+  stage: Check ASN.1
+  script:
+  - python3 testing/check_asn1.py
\ No newline at end of file

testing/check_asn1.py

+from asn1tools import parse_files, ParseError
+import sys
+from glob import glob
+from pathlib import Path
+
+
+schemaFileGlob = glob("*.asn1")
+for schemaFile in schemaFileGlob:
+    try:
+        parse_files(schemaFile)
+    except ParseError as ex:
+        sys.exit("ASN1 parser error: " + str(ex))
+
+print ("ASN1 schema OK")