Avoid appending URL separator if HttpClient.BaseURL is already final (#1198)

* An extra / was incorrectly appended when HttpClient.BaseURL already contained the final URL

* Add unit test.

---------

Co-authored-by: claudiamurialdo <c.murialdo@globant.com>
(cherry picked from commit f6b2c18)

Author: claudiamurialdo

dotnet/src/dotnetframework/GxClasses/Domain/GxHttpClient.cs

@@ -1460,7 +1460,9 @@ public string GetRequestURL(string name)
 				}
 				else
 				{
-					if (!string.IsNullOrEmpty(name) && name.IndexOf('/') == 0)
+					if (string.IsNullOrEmpty(name))
+						return _url;
+					else if (name.IndexOf('/') == 0)
 						return _url + name;
 					else
 						return _url + "/" + name;

dotnet/test/DotNetUnitTest/Domain/GxHttpClientTest.cs

@@ -23,6 +23,18 @@ public class GxHttpClientTest
 		public GxHttpClientTest() {
 			Environment.SetEnvironmentVariable("GX_HTTPCLIENT_MAX_PER_ROUTE", MAX_CONNECTIONS.ToString(), EnvironmentVariableTarget.Process);
 		}
+		[Fact]
+		public void HttpClientEmptyURLOnExecute()
+		{
+			using (GxHttpClient client = new GxHttpClient())
+			{
+				client.Host = "api.saia.ai";
+				client.BaseURL = "/v1/forecast?timezone=America%2FMontevideo";
+				string requestUrl = client.GetRequestURL(string.Empty);
+				Assert.EndsWith("Montevideo", requestUrl, StringComparison.Ordinal);
+			}
+		}
+
 		[Fact]
 		public void AddHeaderWithSpecialCharactersDoesNotThrowException()
 		{