code cleanup

Author: MaggieKimani1

src/Microsoft.OpenApi/Services/OpenApiWorkspace.cs

@@ -1,11 +1,10 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using Json.More;
 using Json.Schema;
 using Microsoft.OpenApi.Extensions;
 using Microsoft.OpenApi.Interfaces;

test/Microsoft.OpenApi.Readers.Tests/OpenApiReaderTests/OpenApiDiagnosticTests.cs

@@ -56,8 +56,11 @@ public async Task DiagnosticReportMergedForExternalReference()
             Assert.NotNull(result);
             Assert.NotNull(result.OpenApiDocument.Workspace);
             Assert.True(result.OpenApiDocument.Workspace.Contains("TodoReference.yaml"));
-            result.OpenApiDiagnostic.Errors.Should().BeEquivalentTo(new List<OpenApiError> {
-                new( new OpenApiException("[File: ./TodoReference.yaml] Invalid Reference identifier 'object-not-existing'.")) });
+            result.OpenApiDiagnostic.Errors.Should().BeEquivalentTo(new List<OpenApiError> 
+            {
+                new OpenApiError("", "[File: ./TodoReference.yaml] Paths is a REQUIRED field at #/"),
+                new(new OpenApiException("[File: ./TodoReference.yaml] Invalid Reference identifier 'object-not-existing'.")) 
+            });
         }
     }
 

test/Microsoft.OpenApi.Readers.Tests/OpenApiReaderTests/Samples/OpenApiDiagnosticReportMerged/TodoReference.yaml

@@ -23,4 +23,4 @@ components:
       type: object
       properties:
         id:
-          type:string
+          type: string