Disable tmux-multiline-prompt.fish and fkr.py tests on CI

See #11036

tests/checks/tmux-multiline-prompt.fish

@@ -1,6 +1,8 @@
 #RUN: %fish %s
 #REQUIRES: command -v tmux && ! tmux -V | grep -qE '^tmux (next-3.4|3\.[0123][a-z]*($|[.-]))'
 #REQUIRES: command -v less && ! less --version 2>&1 | grep -q BusyBox
+# disable on github actions because it's flakey
+#REQUIRES: test -z "$CI"
 
 isolated-tmux-start
 

tests/pexpects/fkr.py

@@ -3,6 +3,10 @@ from pexpect_helper import SpawnedProc
 from time import sleep
 import os
 
+# Disable under CI - keeps failing because the timing is too tight
+if "CI" in os.environ:
+    sys.exit(127)
+
 os.environ["fish_escape_delay_ms"] = "10"
 sp = SpawnedProc()
 send, sendline, sleep, expect_prompt, expect_re, expect_str = (