diff --git a/test/known_failures_Linux.json b/test/known_failures_Linux.json
index c22c906..cf17cae 100644
--- a/test/known_failures_Linux.json
+++ b/test/known_failures_Linux.json
@@ -1,13 +1,4 @@
 [
-  "c_glib-cpp_binary_buffered-ip",
-  "c_glib-cpp_binary_framed-ip",
-  "c_glib-csharp_binary_buffered-ip",
-  "c_glib-csharp_binary_framed-ip",
-  "c_glib-hs_binary_buffered-ip",
-  "c_glib-hs_binary_framed-ip",
-  "c_glib-java_binary_buffered-ip",
-  "c_glib-java_binary_framed-fastframed-ip",
-  "c_glib-java_binary_framed-ip",
   "c_glib-nodejs_binary_buffered-ip",
   "c_glib-nodejs_binary_framed-ip",
   "c_glib-py_binary-accel_buffered-ip",
@@ -30,12 +21,6 @@
   "cpp-java_compact_http-ip-ssl",
   "cpp-java_json_http-ip",
   "cpp-java_json_http-ip-ssl",
-  "cpp-rb_binary-accel_buffered-ip",
-  "cpp-rb_binary-accel_framed-ip",
-  "cpp-rb_binary_buffered-ip",
-  "cpp-rb_binary_framed-ip",
-  "cpp-rb_compact_buffered-ip",
-  "cpp-rb_compact_framed-ip",
   "cpp-rb_json_buffered-ip",
   "cpp-rb_json_framed-ip",
   "csharp-cpp_binary_buffered-ip-ssl",
@@ -52,28 +37,20 @@
   "csharp-go_json_framed-ip-ssl",
   "csharp-hs_json_buffered-ip",
   "csharp-hs_json_framed-ip",
-  "csharp-nodejs_binary_buffered-ip",
   "csharp-nodejs_binary_buffered-ip-ssl",
   "csharp-nodejs_binary_framed-ip-ssl",
-  "csharp-nodejs_compact_buffered-ip",
   "csharp-nodejs_compact_buffered-ip-ssl",
   "csharp-nodejs_compact_framed-ip-ssl",
   "csharp-nodejs_json_buffered-ip",
   "csharp-nodejs_json_buffered-ip-ssl",
   "csharp-nodejs_json_framed-ip",
   "csharp-nodejs_json_framed-ip-ssl",
-  "csharp-rb_binary-accel_buffered-ip",
-  "csharp-rb_binary-accel_framed-ip",
-  "csharp-rb_binary_buffered-ip",
-  "csharp-rb_binary_framed-ip",
-  "csharp-rb_compact_buffered-ip",
-  "csharp-rb_compact_framed-ip",
-  "csharp-rb_json_buffered-ip",
-  "csharp-rb_json_framed-ip",
   "go-cpp_json_buffered-ip",
   "go-cpp_json_buffered-ip-ssl",
   "go-cpp_json_framed-ip",
   "go-cpp_json_framed-ip-ssl",
+  "go-dart_binary_framed-ip",
+  "go-dart_json_framed-ip",
   "go-hs_json_buffered-ip",
   "go-hs_json_framed-ip",
   "go-java_json_buffered-ip",
@@ -82,18 +59,6 @@
   "go-java_json_framed-fastframed-ip-ssl",
   "go-java_json_framed-ip",
   "go-java_json_framed-ip-ssl",
-  "go-nodejs_binary_buffered-ip",
-  "go-nodejs_binary_buffered-ip-ssl",
-  "go-nodejs_binary_framed-ip",
-  "go-nodejs_binary_framed-ip-ssl",
-  "go-nodejs_compact_buffered-ip",
-  "go-nodejs_compact_buffered-ip-ssl",
-  "go-nodejs_compact_framed-ip",
-  "go-nodejs_compact_framed-ip-ssl",
-  "go-nodejs_json_buffered-ip",
-  "go-nodejs_json_buffered-ip-ssl",
-  "go-nodejs_json_framed-ip",
-  "go-nodejs_json_framed-ip-ssl",
   "go-perl_binary_buffered-ip-ssl",
   "go-perl_binary_framed-ip-ssl",
   "hs-cpp_json_buffered-ip",
@@ -102,15 +67,14 @@
   "hs-csharp_compact_framed-ip",
   "hs-csharp_json_buffered-ip",
   "hs-csharp_json_framed-ip",
+  "hs-dart_binary_framed-ip",
+  "hs-dart_json_buffered-ip",
+  "hs-dart_json_framed-ip",
   "hs-go_json_buffered-ip",
   "hs-go_json_framed-ip",
   "hs-java_json_buffered-ip",
   "hs-java_json_framed-fastframed-ip",
   "hs-java_json_framed-ip",
-  "hs-nodejs_binary_buffered-ip",
-  "hs-nodejs_binary_framed-ip",
-  "hs-nodejs_compact_buffered-ip",
-  "hs-nodejs_compact_framed-ip",
   "hs-nodejs_json_buffered-ip",
   "hs-nodejs_json_framed-ip",
   "hs-py_json_buffered-ip",
@@ -125,22 +89,10 @@
   "java-rb_json_buffered-ip",
   "java-rb_json_fastframed-framed-ip",
   "java-rb_json_framed-ip",
-  "nodejs-cpp_binary_buffered-ip",
-  "nodejs-cpp_binary_buffered-ip-ssl",
-  "nodejs-cpp_binary_framed-ip",
-  "nodejs-cpp_binary_framed-ip-ssl",
   "nodejs-cpp_compact_buffered-ip",
   "nodejs-cpp_compact_buffered-ip-ssl",
   "nodejs-cpp_compact_framed-ip",
   "nodejs-cpp_compact_framed-ip-ssl",
-  "nodejs-cpp_json_buffered-ip",
-  "nodejs-cpp_json_buffered-ip-ssl",
-  "nodejs-cpp_json_framed-ip",
-  "nodejs-cpp_json_framed-ip-ssl",
-  "nodejs-csharp_binary_buffered-ip",
-  "nodejs-csharp_binary_buffered-ip-ssl",
-  "nodejs-csharp_binary_framed-ip",
-  "nodejs-csharp_binary_framed-ip-ssl",
   "nodejs-csharp_compact_buffered-ip",
   "nodejs-csharp_compact_buffered-ip-ssl",
   "nodejs-csharp_compact_framed-ip",
@@ -149,38 +101,17 @@
   "nodejs-csharp_json_buffered-ip-ssl",
   "nodejs-csharp_json_framed-ip",
   "nodejs-csharp_json_framed-ip-ssl",
-  "nodejs-hs_binary_buffered-ip",
-  "nodejs-hs_binary_framed-ip",
-  "nodejs-hs_compact_buffered-ip",
-  "nodejs-hs_compact_framed-ip",
+  "nodejs-dart_json_buffered-ip",
+  "nodejs-dart_json_framed-ip",
   "nodejs-hs_json_buffered-ip",
   "nodejs-hs_json_framed-ip",
-  "nodejs-java_binary_buffered-ip",
-  "nodejs-java_binary_buffered-ip-ssl",
-  "nodejs-java_binary_framed-fastframed-ip",
-  "nodejs-java_binary_framed-fastframed-ip-ssl",
-  "nodejs-java_binary_framed-ip",
-  "nodejs-java_binary_framed-ip-ssl",
   "nodejs-java_compact_buffered-ip",
   "nodejs-java_compact_buffered-ip-ssl",
   "nodejs-java_compact_framed-fastframed-ip",
   "nodejs-java_compact_framed-fastframed-ip-ssl",
   "nodejs-java_compact_framed-ip",
   "nodejs-java_compact_framed-ip-ssl",
-  "nodejs-java_json_buffered-ip",
   "nodejs-java_json_buffered-ip-ssl",
-  "nodejs-java_json_framed-fastframed-ip",
-  "nodejs-java_json_framed-fastframed-ip-ssl",
-  "nodejs-java_json_framed-ip",
-  "nodejs-java_json_framed-ip-ssl",
-  "nodejs-py_binary-accel_buffered-ip",
-  "nodejs-py_binary-accel_buffered-ip-ssl",
-  "nodejs-py_binary-accel_framed-ip",
-  "nodejs-py_binary-accel_framed-ip-ssl",
-  "nodejs-py_binary_buffered-ip",
-  "nodejs-py_binary_buffered-ip-ssl",
-  "nodejs-py_binary_framed-ip",
-  "nodejs-py_binary_framed-ip-ssl",
   "nodejs-py_compact_buffered-ip",
   "nodejs-py_compact_buffered-ip-ssl",
   "nodejs-py_compact_framed-ip",
@@ -189,10 +120,6 @@
   "nodejs-py_json_buffered-ip-ssl",
   "nodejs-py_json_framed-ip",
   "nodejs-py_json_framed-ip-ssl",
-  "nodejs-rb_binary-accel_buffered-ip",
-  "nodejs-rb_binary-accel_framed-ip",
-  "nodejs-rb_binary_buffered-ip",
-  "nodejs-rb_binary_framed-ip",
   "nodejs-rb_compact_buffered-ip",
   "nodejs-rb_compact_framed-ip",
   "nodejs-rb_json_buffered-ip",
@@ -204,20 +131,10 @@
   "py-nodejs_json_buffered-ip-ssl",
   "py-nodejs_json_framed-ip",
   "py-nodejs_json_framed-ip-ssl",
-  "py-rb_accel-binary_buffered-ip",
-  "py-rb_accel-binary_framed-ip",
-  "py-rb_accel_buffered-ip",
-  "py-rb_accel_framed-ip",
-  "py-rb_binary-accel_buffered-ip",
-  "py-rb_binary-accel_framed-ip",
-  "py-rb_binary_buffered-ip",
-  "py-rb_binary_framed-ip",
-  "py-rb_compact_buffered-ip",
-  "py-rb_compact_framed-ip",
-  "py-rb_json_buffered-ip",
-  "py-rb_json_framed-ip",
   "rb-cpp_json_buffered-ip",
   "rb-cpp_json_framed-ip",
+  "rb-hs_json_buffered-ip",
+  "rb-hs_json_framed-ip",
   "rb-java_json_buffered-ip",
   "rb-java_json_framed-fastframed-ip",
   "rb-java_json_framed-ip",