W-15555945 - Fix SYAML conversion using casting with handling

amf-api-contract/shared/src/main/scala/amf/apicontract/internal/spec/async/parser/domain/Async20EndpointParser.scala

@@ -71,7 +71,7 @@ class Async22EndpointParser(
     map.key(
       "servers",
       entry => {
-        val nodes = entry.value.value.asInstanceOf[YSequence].nodes
+        val nodes = entry.value.as[YSequence].nodes
         val servers = nodes.map { n =>
           val server = Server()
           server.setWithoutId(

amf-cli/shared/src/test/resources/validations/async20/validations/async-server-map.yaml

@@ -0,0 +1,19 @@
+asyncapi: 2.6.0
+info:
+  title: Async 2.2 new fields
+  version: 1.0.0
+  description: Async 2.2 new fields
+servers:
+  myServer:
+    url: some.com
+    protocol: ibmmq
+    bindings:
+      ibmmq:
+        groupId: test
+        ccdtQueueManagerName: test
+        cipherSpec: test
+        multiEndpointServer: true
+        heartBeatInterval: 123
+channels:
+  myChannel:
+    servers:

amf-cli/shared/src/test/resources/validations/reports/async20/async-server-map.report

@@ -0,0 +1,14 @@
+ModelId: file://amf-cli/shared/src/test/resources/validations/async20/validations/async-server-map.yaml
+Profile: 
+Conforms: false
+Number of results: 1
+
+Level: Violation
+
+- Constraint: http://a.ml/vocabularies/amf/core#syaml-error
+  Message: YAML sequence expected
+  Severity: Violation
+  Target: 
+  Property: 
+  Range: [(19,12)-(19,12)]
+  Location: file://amf-cli/shared/src/test/resources/validations/async20/validations/async-server-map.yaml

amf-cli/shared/src/test/scala/amf/validation/Async20UniquePlatformUnitValidationsTest.scala

@@ -484,4 +484,8 @@ class Async20UniquePlatformUnitValidationsTest extends UniquePlatformReportGenTe
   test("Async Kafka channel binding validations") {
     validate("kafka-channel-binding-validations.yaml", Some("kafka-channel-binding-validations.report"))
   }
+
+  test("Async server invalid map") {
+    validate("async-server-map.yaml", Some("async-server-map.report"))
+  }
 }