Adds test about event for failed protocol change

diff --git a/tests/protocol-change-failed-event/README.md b/tests/protocol-change-failed-event/README.md
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+# Description
+
+Test app-layer-event:http.failed_protocol_change
+
+# PCAP
+
+The pcap comes from oss-fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45941
+And use of fuzzpcap to get to a real pcap file

diff --git a/tests/protocol-change-failed-event/input.pcap b/tests/protocol-change-failed-event/input.pcap
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Binary files /dev/null and b/tests/protocol-change-failed-event/input.pcap differ

diff --git a/tests/protocol-change-failed-event/test.rules b/tests/protocol-change-failed-event/test.rules
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+alert http any any -> any any (msg:"SURICATA HTTP failed protocol change"; flow:established; app-layer-event:http.failed_protocol_change; flowint:http.anomaly.count,+,1; classtype:protocol-command-decode; sid:2221053; rev:1;)

diff --git a/tests/protocol-change-failed-event/test.yaml b/tests/protocol-change-failed-event/test.yaml
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+requires:
+    min-version: 7
+
+args:
+  - -k none
+
+checks:
+  - filter:
+      count: 2
+      match:
+        event_type: alert
+        alert.signature_id: 2221053