Add AUTest using h2spec

tests/gold_tests/h2/gold/h2spec_stdout.gold

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+``
+Finished in `` seconds
+`` tests, `` passed, 0 skipped, 0 failed

tests/gold_tests/h2/h2spec.test.py

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+'''
+Test HTTP/2 with h2spec
+'''
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import os
+
+# ----
+# Setup Test
+# ----
+Test.Summary = '''
+Test HTTP/2 with httpspec
+'''
+
+Test.SkipUnless(
+    Condition.HasProgram("h2spec", "h2spec need to be installed on system for this test to work"),
+)
+Test.ContinueOnFail = True
+
+# ----
+# Setup httpbin Origin Server
+# ----
+httpbin = Test.MakeHttpBinServer("httpbin")
+
+# ----
+# Setup ATS
+# ----
+ts = Test.MakeATSProcess("ts", select_ports=False)
+
+# add ssl materials like key, certificates for the server
+ts.addSSLfile("ssl/server.pem")
+ts.addSSLfile("ssl/server.key")
+
+ts.Variables.ssl_port = 4443
+ts.Disk.remap_config.AddLine(
+    'map / http://127.0.0.1:{0}'.format(httpbin.Variables.Port)
+)
+ts.Disk.ssl_multicert_config.AddLine(
+    'dest_ip=* ssl_cert_name=server.pem ssl_key_name=server.key'
+)
+ts.Disk.records_config.update({
+    'proxy.config.http.server_ports': '{0} {1}:ssl'.format(ts.Variables.port, ts.Variables.ssl_port),
+    'proxy.config.http.insert_request_via_str': 1,
+    'proxy.config.http.insert_response_via_str': 1,
+    'proxy.config.http.cache.http': 0,
+    'proxy.config.ssl.server.cert.path': '{0}'.format(ts.Variables.SSLDir),
+    'proxy.config.ssl.server.private_key.path': '{0}'.format(ts.Variables.SSLDir),
+    'proxy.config.ssl.client.verify.server':  0,
+    'proxy.config.diags.debug.enabled': 1,
+    'proxy.config.diags.debug.tags': 'http2',
+})
+
+# ----
+# Test Cases
+# ----
+
+# Known broken tests are left out (http2/6.4. and http2/6.9.)
+h2spec_targets = "http2/1 http2/2 http2/3 http2/4 http2/5 http2/6.1 http2/6.2 http2/6.3 http2/6.5 http2/6.6 http2/6.7 http2/6.8 http2/7 http2/8 hpack"
+
+test_run = Test.AddTestRun()
+test_run.Processes.Default.Command = 'h2spec {0} -t -k -p {1}'.format(h2spec_targets, ts.Variables.ssl_port)
+test_run.Processes.Default.ReturnCode = 0
+test_run.Processes.Default.StartBefore(httpbin, ready=When.PortOpen(httpbin.Variables.Port))
+test_run.Processes.Default.StartBefore(Test.Processes.ts, ready=When.PortOpen(ts.Variables.ssl_port))
+test_run.Processes.Default.Streams.stdout = "gold/h2spec_stdout.gold"
+test_run.StillRunningAfter = httpbin
+
+# Over riding the built in ERROR check since we expect some error cases
+ts.Disk.diags_log.Content = Testers.ContainsExpression("ERROR: HTTP/2", "h2spec tests should have error log")