- fixes unit tests

Signed-off-by: Vincent Biret <vibiret@microsoft.com>

Author: baywet

test/Microsoft.OpenApi.Tests/PublicApi/PublicApi.approved.txt

@@ -1431,6 +1431,7 @@ namespace Microsoft.OpenApi.Validations.Rules
     [Microsoft.OpenApi.Validations.Rules.OpenApiRule]
     public static class OpenApiPathsRules
     {
+        public static Microsoft.OpenApi.Validations.ValidationRule<Microsoft.OpenApi.Models.OpenApiPaths> PathMustBeUnique { get; }
         public static Microsoft.OpenApi.Validations.ValidationRule<Microsoft.OpenApi.Models.OpenApiPaths> PathNameMustBeginWithSlash { get; }
     }
     [Microsoft.OpenApi.Validations.Rules.OpenApiRule]

test/Microsoft.OpenApi.Tests/Validations/ValidationRuleSetTests.cs

@@ -35,7 +35,7 @@ public void DefaultRuleSetPropertyReturnsTheCorrectRules()
             Assert.NotEmpty(rules);
 
             // Update the number if you add new default rule(s).
-            Assert.Equal(22, rules.Count);
+            Assert.Equal(23, rules.Count);
         }
     }
 }