Remove meson tests

They are not reliable and confuse students.

meson.build

@@ -10,5 +10,3 @@ src_files = [
   'EpollStdIn.cc', 'EpollTimer.cc',
 ]
 executable('epoll_server', src_files)
-test('first run', find_program('t.sh'), is_parallel : false)
-test('second run', find_program('t.sh'), is_parallel : false)

t.sh

-#!/bin/sh
-set -eu
-TT4="5"
-TT5="3"
-ST="7 4"
-SST="7 0 0 3"
-SSST="5888889"
-BIN=epoll_server
-
-txt()
-{
-	echo $(cat $1)
-}
-
-res()
-{
-	if [ "$2" = "$(txt $3)" ]
-	then
-		echo "+ Good, $1 test passed"
-	else
-		echo "- Bad, $1 test failed."
-		echo "    I do expect: '$2'"
-		echo "    I found: '$(txt $3)'"
-		ex=1
-	fi
-}
-
-test -x $BIN && run=$BIN
-test -x builddir/$BIN && run=builddir/$BIN
-if [ -z "$run" ]
-then
-	echo "No $BIN binary found."
-	exit 1
-fi
-
-tr=$(mktemp)
-tr4=$(mktemp)
-tr5=$(mktemp)
-sr=$(mktemp)
-ssr=$(mktemp)
-sssr=$(mktemp)
-
-(
-	( sleep 2; echo -n "foo"; sleep 2; echo -n " bar\nbuzz\n"; ) \
-	| ( sleep 0.1; nc -q 1 localhost 12345 >$sr; )
-)&
-(
-	(
-		sleep 2; echo -n "this"; \
-		sleep 1; echo -n " is\n"; \
-		sleep 1; echo -n "\n\nesw\n"; \
-		) \
-	| ( sleep 0.1; nc -q 1 localhost 12345 >$ssr; )
-)&
-(
-	echo "$(seq 999999|tr -d '\n')" \
-	| ( sleep 0.1 ; nc localhost 12345 >$sssr )
-)&
-timeout 6 ./$run | tee $tr
-
-sed -i '/^[^(timer)].*/d' $tr
-cat $tr | grep "timer: 4" | wc -l > $tr4
-cat $tr | grep "timer: 5" | wc -l > $tr5
-
-ex=0
-res "timer 4" "$TT4" "$tr4"
-res "timer 5" "$TT5" "$tr5"
-res "1st socket" "$ST" "$sr"
-res "2nd socket" "$SST" "$ssr"
-res "3rd socket" "$SSST" "$sssr"
-
-rm $tr $sr $ssr $sssr
-exit $ex