Revert "correct handling of SIGHUP by interactive fish"

This reverts commit 31adc221d9.

tests/exit.expect

@@ -1,37 +0,0 @@
-# vim: set filetype=expect:
-#
-# Test handling of the `exit` command.
-set pid [spawn $fish]
-expect_prompt
-
-# Verify that if we attempt to exit with a job in the background we get warned
-# about that job and are told to type `exit` a second time.
-send "sleep 111 &\r"
-expect_prompt
-send "exit\r"
-expect "There are still jobs active"
-expect "A second attempt to exit will terminate them."
-expect_prompt
-
-# Running anything other than `exit` should result in the same warning with
-# the shell still running.
-send "sleep 113 &\r"
-expect_prompt
-send "exit\r"
-expect "There are still jobs active"
-expect "A second attempt to exit will terminate them."
-expect_prompt
-
-# Verify that asking to exit a second time does so.
-send "exit\r"
-close
-wait
-
-# Verify all child processes have been killed. We don't use `-p $pid` because
-# if the shell has a bug the child processes might have been reparented to pid
-# 1 rather than killed.
-set status [catch {exec pgrep -l -f "sleep 11"} output]
-if {$status == 0} {
-    puts stderr "Commands spawned by the shell still running after `exit`"
-    puts stderr $output
-}

tests/signals.expect

@@ -1,28 +0,0 @@
-# vim: set filetype=expect:
-#
-# Test signal handling for interactive shells.
-
-# Verify that sending SIGHUP to the shell, such as will happen when the tty is
-# closed by the terminal, terminates the shell and the foreground command and
-# any background commands run from that shell.
-set pid [spawn $fish]
-expect_prompt
-send "sleep 130 &\r"
-expect_prompt
-send "sleep 131 &\r"
-expect_prompt
-send "sleep 132\r"
-exec -- kill -HUP $pid
-
-# Verify the spawned fish shell has exited.
-close
-wait
-
-# Verify all child processes have been killed. We don't use `-p $pid` because
-# if the shell has a bug the child processes might have been reparented to pid
-# 1 rather than killed.
-set status [catch {exec pgrep -l -f "sleep 13"} output]
-if {$status == 0} {
-    puts stderr "Commands spawned by the shell still running after SIGHUP"
-    puts stderr $output
-}