Use correct overload for int32 handling

Author: eiriktsarpalis

src/libraries/System.Security.Cryptography.Encoding/tests/Cbor.Tests/CborReaderTests.Helpers.cs

@@ -28,8 +28,8 @@ public static void VerifyValue(CborReader reader, object expectedValue, bool exp
                         break;
                     case int expected:
                         VerifyPeekInteger(reader, isUnsignedInteger: expected >= 0);
-                        long i = reader.ReadInt64();
-                        Assert.Equal(expected, (int)i);
+                        int i = reader.ReadInt32();
+                        Assert.Equal(expected, i);
                         break;
                     case long expected:
                         VerifyPeekInteger(reader, isUnsignedInteger: expected >= 0);

src/libraries/System.Security.Cryptography.Encoding/tests/Cbor.Tests/CborWriterTests.Helpers.cs

@@ -38,7 +38,7 @@ public static void WriteValue(CborWriter writer, object value, bool useDefiniteL
                 {
                     case null: writer.WriteNull(); break;
                     case bool b: writer.WriteBoolean(b); break;
-                    case int i: writer.WriteInt64(i); break;
+                    case int i: writer.WriteInt32(i); break;
                     case long i: writer.WriteInt64(i); break;
                     case ulong i: writer.WriteUInt64(i); break;
                     case float f: writer.WriteSingle(f); break;