Test for PG_TEST_EXTRA separately in SSL tests

PG_TEST_EXTRA is an override and should be tested for separately
from any other test as there is no dependency on whether OpenSSL
is available or not.

Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/01F4684C-8C98-4BBE-AB83-AC8D7C746AF8@yesql.se

src/test/ssl/t/001_ssltests.pl

@@ -17,7 +17,7 @@ if ($ENV{with_ssl} ne 'openssl')
 {
 	plan skip_all => 'OpenSSL not supported by this build';
 }
-elsif (!$ENV{PG_TEST_EXTRA} || $ENV{PG_TEST_EXTRA} !~ /\bssl\b/)
+if (!$ENV{PG_TEST_EXTRA} || $ENV{PG_TEST_EXTRA} !~ /\bssl\b/)
 {
 	plan skip_all =>
 	  'Potentially unsafe test SSL not enabled in PG_TEST_EXTRA';

src/test/ssl/t/002_scram.pl

@@ -20,7 +20,7 @@ if ($ENV{with_ssl} ne 'openssl')
 {
 	plan skip_all => 'OpenSSL not supported by this build';
 }
-elsif (!$ENV{PG_TEST_EXTRA} || $ENV{PG_TEST_EXTRA} !~ /\bssl\b/)
+if (!$ENV{PG_TEST_EXTRA} || $ENV{PG_TEST_EXTRA} !~ /\bssl\b/)
 {
 	plan skip_all =>
 	  'Potentially unsafe test SSL not enabled in PG_TEST_EXTRA';

src/test/ssl/t/003_sslinfo.pl

@@ -18,7 +18,7 @@ if ($ENV{with_ssl} ne 'openssl')
 {
 	plan skip_all => 'OpenSSL not supported by this build';
 }
-elsif (!$ENV{PG_TEST_EXTRA} || $ENV{PG_TEST_EXTRA} !~ /\bssl\b/)
+if (!$ENV{PG_TEST_EXTRA} || $ENV{PG_TEST_EXTRA} !~ /\bssl\b/)
 {
 	plan skip_all =>
 	  'Potentially unsafe test SSL not enabled in PG_TEST_EXTRA';