Temporarily disable failing CoreFX tests

Commit migrated from https://github.com/dotnet/coreclr/commit/356ae173f5d70ae4130053a13bab8334488ec60c

diff --git a/src/coreclr/tests/CoreFX/CoreFX.issues.json b/src/coreclr/tests/CoreFX/CoreFX.issues.json
index cfd18ac..6d613d9 100644 (file)
--- a/src/coreclr/tests/CoreFX/CoreFX.issues.json
+++ b/src/coreclr/tests/CoreFX/CoreFX.issues.json
@@ -896,15 +896,23 @@
             "methods": [
                 {
                     "name": "System.Text.Tests.EncoderConvert2.EncoderASCIIConvertMixedASCIIUnicodeCharArrayPartial",
-                    "reason": "https://github.com/dotnet/coreclr/issues/23020"
+                    "reason": "https://github.com/dotnet/coreclr/issues/23864"
                 },
                 {
                     "name": "System.Text.Tests.EncoderConvert2.EncoderUTF8ConvertMixedASCIIUnicodeCharArrayPartial",
-                    "reason": "https://github.com/dotnet/coreclr/issues/23020"
+                    "reason": "https://github.com/dotnet/coreclr/issues/23864"
                 },
                 {
                     "name": "System.Text.Tests.EncoderConvert2.EncoderUTF8ConvertUnicodeCharArrayPartial",
-                    "reason": "https://github.com/dotnet/coreclr/issues/23020"
+                    "reason": "https://github.com/dotnet/coreclr/issues/23864"
+                },
+                {
+                    "name": "System.Text.Tests.NegativeEncodingTests.GetByteCount_Invalid",
+                    "reason": "https://github.com/dotnet/coreclr/issues/23864"
+                },
+                {
+                    "name": "System.Text.Tests.UTF8EncodingDecode.Decode_InvalidBytes",
+                    "reason": "https://github.com/dotnet/coreclr/issues/23864"
                 }
             ]
         }