do not gen at runtime, use pre-built ones

tests/queries/0_stateless/03174_add_identified_with.reference

@@ -7,7 +7,6 @@ New password should work
 Two new passwords were added, should both work
 1
 1
-Gen ssh key
 Authenticating with ssh key
 1
 Altering credentials and keeping only bcrypt_password

tests/queries/0_stateless/03174_add_identified_with.sh

@@ -4,6 +4,14 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 # shellcheck source=../shell_config.sh
 . "$CURDIR"/../shell_config.sh
 
+ssh_key="-----BEGIN OPENSSH PRIVATE KEY-----
+         b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+         QyNTUxOQAAACAc6mt3bktHHukGJM1IJKPVtFMe4u3d8T6LHha8J4WOGAAAAJApc2djKXNn
+         YwAAAAtzc2gtZWQyNTUxOQAAACAc6mt3bktHHukGJM1IJKPVtFMe4u3d8T6LHha8J4WOGA
+         AAAEAk15S5L7j85LvmAivo2J8lo44OR/tLILBO1Wb2//mFwBzqa3duS0ce6QYkzUgko9W0
+         Ux7i7d3xPoseFrwnhY4YAAAADWFydGh1ckBhcnRodXI=
+         -----END OPENSSH PRIVATE KEY-----"
+
 function test_login_pwd
 {
   ${CLICKHOUSE_CLIENT} --user $1 --password $2 --query "select 1"
@@ -38,12 +46,11 @@ test_login_pwd ${user} '3'
 
 test_login_pwd ${user} '4'
 
-echo "Gen ssh key"
-yes 'yes' | ssh-keygen -t ed25519 -N '' -f 'ssh_key' > /dev/null
+ssh_pub_key="AAAAC3NzaC1lZDI1NTE5AAAAIBzqa3duS0ce6QYkzUgko9W0Ux7i7d3xPoseFrwnhY4Y"
 
-pub_key=$(awk '{print $2}' ssh_key.pub)
+${CLICKHOUSE_CLIENT} --query "ALTER USER ${user} ADD IDENTIFIED WITH ssh_key BY KEY '${ssh_pub_key}' TYPE 'ssh-ed25519'"
 
-${CLICKHOUSE_CLIENT} --query "ALTER USER ${user} ADD IDENTIFIED WITH ssh_key BY KEY '${pub_key}' TYPE 'ssh-ed25519'"
+echo ${ssh_key} > ssh_key
 
 echo "Authenticating with ssh key"
 ${CLICKHOUSE_CLIENT} --user ${user} --ssh-key-file 'ssh_key' --ssh-key-passphrase "" --query "SELECT 1"