Tests: skip ssl_conf_command tests on too old OpenSSL explicitly.

diff --git a/mail_ssl_conf_command.t b/mail_ssl_conf_command.t
index 5948feb..f505e44 100644
--- a/mail_ssl_conf_command.t
+++ b/mail_ssl_conf_command.t

@@ -33,6 +33,9 @@
 my $t = Test::Nginx->new()->has(qw/mail mail_ssl imap/)
 	->has_daemon('openssl');
 
+$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;
+plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2';
+
 $t->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%

diff --git a/proxy_ssl_conf_command.t b/proxy_ssl_conf_command.t
index 5596294..3d0ba70 100644
--- a/proxy_ssl_conf_command.t
+++ b/proxy_ssl_conf_command.t

@@ -25,6 +25,9 @@
 my $t = Test::Nginx->new()->has(qw/http http_ssl proxy/)
 	->has_daemon('openssl');
 
+$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;
+plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2';
+
 $t->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%

diff --git a/ssl_conf_command.t b/ssl_conf_command.t
index a90c869..c863407 100644
--- a/ssl_conf_command.t
+++ b/ssl_conf_command.t

@@ -33,6 +33,9 @@
 my $t = Test::Nginx->new()->has(qw/http http_ssl/)
 	->has_daemon('openssl');
 
+$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;
+plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2';
+
 $t->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%

diff --git a/stream_proxy_ssl_conf_command.t b/stream_proxy_ssl_conf_command.t
index db7aaad..ea56457 100644
--- a/stream_proxy_ssl_conf_command.t
+++ b/stream_proxy_ssl_conf_command.t

@@ -26,6 +26,9 @@
 my $t = Test::Nginx->new()->has(qw/stream stream_ssl stream_return/)
 	->has_daemon('openssl');
 
+$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;
+plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2';
+
 $t->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%

diff --git a/stream_ssl_conf_command.t b/stream_ssl_conf_command.t
index a1bf492..33fa457 100644
--- a/stream_ssl_conf_command.t
+++ b/stream_ssl_conf_command.t

@@ -33,6 +33,9 @@
 my $t = Test::Nginx->new()->has(qw/stream stream_ssl stream_return/)
 	->has_daemon('openssl');
 
+$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;
+plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2';
+
 $t->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%