PT-2295 - Fix tests on distributions

- Typos in pt-kill

bin/pt-kill

@@ -7182,8 +7182,6 @@ sub main {
                     || $error =~ m/Server has gone away/
                     || $error =~ m/Lost connection to server/
                     || $error =~ m/Lost connection to MySQL server/ ) {
-                  eval {
-                  eval {
                   eval {
                      $dbh      = $cxn->connect();
                      $proc_sth = $dbh->prepare('SHOW FULL PROCESSLIST');

t/pt-stalk/pt-stalk.t

@@ -507,7 +507,7 @@ is(
    $output,
    0,
    "Retention test 3: tests, matched auto-generated patern, are removed"
-);
+) or diag(`ls -l $dest`);
 
 # ###########################################################################
 # Test if retention by size works as expected