add test for pgsql connection

Author: keithbrink

tests/Feature/Configuration/Connections/PgsqlConnectionTest.php

@@ -41,6 +41,7 @@ public function testCanResolve(): void
             'sslrootcert'         => 'sslrootcert',
             'sslcrl'              => 'sslcrl',
             'gssencmode'          => 'gssencmode',
+            'application_name'    => 'application_name',
             'defaultTableOptions' => [],
             'driverOptions'       => [],
         ]);
@@ -59,6 +60,7 @@ public function testCanResolve(): void
         $this->assertEquals('sslcrl', $resolved['sslcrl']);
         $this->assertEquals('gssencmode', $resolved['gssencmode']);
         $this->assertEquals('prefix', $resolved['prefix']);
+        $this->assertEquals('application_name', $resolved['application_name']);
         $this->assertCount(0, $resolved['defaultTableOptions']);
         $this->assertCount(0, $resolved['driverOptions']);
     }