PT-191 - add ssl options to DSN

- Updated ssl tests, so they test option --mysql_ssl and DSN

t/pt-table-usage/ssl.t

@@ -26,7 +26,7 @@ elsif ( $sandbox_version lt '8.0' ) {
    plan skip_all => "Requires MySQL 8.0 or newer";
 }
 else {
-   plan tests => 10;
+   plan tests => 13;
 }
 
 my ($output, $exit_code);
@@ -83,6 +83,32 @@ is(
    "No error if table doesn't exist"
 );
 
+($output, $exit_code) = full_output(
+   sub { pt_table_usage::main('--explain-extended', 
+         qw(127.1 --port 12345 --database sakila --user sha256_user),
+         qw(--password sha256_user%password --mysql_ssl 1), 
+      '--query', 'select * from foo, bar where id=1') },
+   stderr => 1,
+);
+
+is(
+   $exit_code,
+   0,
+   "No error for user, identified with caching_sha2_password with option --mysql_ssl"
+) or diag($output);
+
+unlike(
+   $output,
+   qr/Authentication plugin 'caching_sha2_password' reported error: Authentication requires secure connection./,
+   'No secure connection error with option --mysql_ssl'
+) or diag($output);
+
+is(
+   $output,
+   "",
+   "No error if table doesn't exist with option --mysql_ssl"
+);
+
 ($output, $exit_code) = full_output(
    sub { pt_table_usage::main('--explain-extended', "F=t/pt-archiver/samples/pt-191.cnf,h=127.1,P=12345,D=sakila,u=sha256_user,p=sha256_user%password,s=1", 
       '--query', 'select * from foo, bar where id=1') },