fix(bool-serialization-query): preferred true as the serializable bool value for query (#55)

Author: asadali214

APIMatic.Core.Test/Utilities/CoreHelperTest.cs

@@ -457,7 +457,7 @@ public void AppendQueryParameter_CustomParameter()
                 "serverResponse"
             };
 
-            string expected = $"{SERVER_URL}?serverResponse%5Bpassed%5D=True";
+            string expected = $"{SERVER_URL}?serverResponse%5Bpassed%5D=true";
             CoreHelper.AppendUrlWithQueryParameters(queryBuilder, GetParameters(parametersKeys, serverResponse));
             string actual = queryBuilder.ToString();
             Assert.AreEqual(expected, actual);
@@ -626,7 +626,7 @@ public void AppendQueryParameter_CustomCollectionParameter()
                 "serverResponse"
             };
 
-            string expected = $"{SERVER_URL}?serverResponse%5B0%5D%5Bpassed%5D=True";
+            string expected = $"{SERVER_URL}?serverResponse%5B0%5D%5Bpassed%5D=true";
             CoreHelper.AppendUrlWithQueryParameters(queryBuilder, GetParameters(parametersKeys, stringCollection));
             string actual = queryBuilder.ToString();
             Assert.AreEqual(expected, actual);

APIMatic.Core/Utilities/CoreHelper.cs

@@ -519,20 +519,21 @@ private static string GetFormatString(ArraySerialization fmt, string key, String
 
         private static string GetElementValue(object element, bool urlEncode)
         {
-            string elemValue;
             if (element is DateTime time)
             {
-                elemValue = time.ToString(DateTimeFormat);
-                return elemValue;
+                return time.ToString(DateTimeFormat);
             }
-            else if (element is DateTimeOffset offset)
+
+            if (element is DateTimeOffset offset)
             {
-                elemValue = offset.ToString(DateTimeFormat);
-                return elemValue;
+                return offset.ToString(DateTimeFormat);
             }
-            else
+
+            string elemValue = element.ToString();
+
+            if (element is bool)
             {
-                elemValue = element.ToString();
+                elemValue = elemValue.ToLower();
             }
 
             if (urlEncode)