Updated the test files as per PR changes

The requestBody is made inline same as its done for responses and thus we'd need to look for contents inside it and not for the ref.

Author: mma5997

modules/swagger-parser-v3/src/test/java/io/swagger/v3/parser/test/FileReferenceTest.java

@@ -8,6 +8,7 @@
 import io.swagger.v3.oas.models.PathItem;
 import io.swagger.v3.oas.models.media.ArraySchema;
 import io.swagger.v3.oas.models.media.ComposedSchema;
+import io.swagger.v3.oas.models.media.ObjectSchema;
 import io.swagger.v3.oas.models.media.Schema;
 import io.swagger.v3.parser.OpenAPIV3Parser;
 import io.swagger.v3.parser.core.models.ParseOptions;
@@ -235,9 +236,9 @@ public void testIssue421() {
         assertNotNull(swagger.getPaths().get("/pet/{petId}").getPost().getParameters());
         assertTrue(swagger.getPaths().get("/pet/{petId}").getPost().getParameters().size() == 1);
         assertTrue(swagger.getPaths().get("/pet/{petId}").getPost().getRequestBody() != null);
-        assertTrue(swagger.getPaths().get("/pet/{petId}").getPost().getRequestBody().get$ref() != null);
-        assertEquals(swagger.getPaths().get("/pet/{petId}").getPost().getRequestBody().get$ref(),"#/components/requestBodies/requestBody");
-        assertTrue(swagger.getPaths().get("/pet/{petId}").getPost().getRequestBody().get$ref().equals("#/components/requestBodies/requestBody"));
+        assertTrue(swagger.getPaths().get("/pet/{petId}").getPost().getRequestBody().getContent() != null);
+        assertTrue(swagger.getPaths().get("/pet/{petId}").getPost().getRequestBody().getContent().get("application/x-www-form-urlencoded") != null);
+        assertTrue(swagger.getPaths().get("/pet/{petId}").getPost().getRequestBody().getContent().get("application/x-www-form-urlencoded").getSchema() instanceof ObjectSchema);
 
         assertNotNull(swagger.getPaths().get("/store/order"));
         assertNotNull(swagger.getPaths().get("/store/order").getPost());

modules/swagger-parser-v3/src/test/java/io/swagger/v3/parser/test/OpenAPIResolverTest.java

@@ -346,7 +346,9 @@ public void componentsResolver() throws Exception {
         // internal callback reference
         assertEquals(callbacks.get("referenced").get$ref(),"#/components/callbacks/failed");
         //callback pathItem -> operation ->requestBody
-        assertEquals(callbacks.get("heartbeat").get("$request.query.heartbeat-url").getPost().getRequestBody().get$ref(),"#/components/requestBodies/requestBody3");
+        assertTrue(callbacks.get("heartbeat").get("$request.query.heartbeat-url").getPost().getRequestBody().getContent() != null);
+        assertTrue(callbacks.get("heartbeat").get("$request.query.heartbeat-url").getPost().getRequestBody().getContent().get("application/json").getSchema() instanceof ArraySchema);
+        assertEquals(((ArraySchema) callbacks.get("heartbeat").get("$request.query.heartbeat-url").getPost().getRequestBody().getContent().get("application/json").getSchema()).getItems().get$ref(),"#/components/schemas/User");
         //remote callback ref
         assertEquals(callbacks.get("remoteCallback").get$ref(),"#/components/callbacks/callback");