Add missing $Test::Builder::Level settings

One of these was accidentally removed by c50624cd.  The others are
added by analogy.

Discussion: https://www.postgresql.org/message-id/ae1143fb-455c-c80f-ed66-78d45bd93303@enterprisedb.com

src/test/authentication/t/001_password.pl

@@ -42,6 +42,8 @@ sub reset_pg_hba
 # named parameters are passed to connect_ok/fails as-is.
 sub test_role
 {
+	local $Test::Builder::Level = $Test::Builder::Level + 1;
+
 	my ($node, $role, $method, $expected_res, %params) = @_;
 	my $status_string = 'failed';
 	$status_string = 'success' if ($expected_res eq 0);

src/test/authentication/t/002_saslprep.pl

@@ -36,6 +36,8 @@ sub reset_pg_hba
 # Test access for a single role, useful to wrap all tests into one.
 sub test_login
 {
+	local $Test::Builder::Level = $Test::Builder::Level + 1;
+
 	my $node          = shift;
 	my $role          = shift;
 	my $password      = shift;

src/test/kerberos/t/001_auth.pl

@@ -185,6 +185,8 @@ note "running tests";
 # Test connection success or failure, and if success, that query returns true.
 sub test_access
 {
+	local $Test::Builder::Level = $Test::Builder::Level + 1;
+
 	my ($node, $role, $query, $expected_res, $gssencmode, $test_name,
 		@expect_log_msgs)
 	  = @_;

src/test/ldap/t/001_auth.pl

@@ -166,6 +166,8 @@ note "running tests";
 
 sub test_access
 {
+	local $Test::Builder::Level = $Test::Builder::Level + 1;
+
 	my ($node, $role, $expected_res, $test_name, %params) = @_;
 	my $connstr = "user=$role";