Removed duplicate method

tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php

@@ -356,15 +356,6 @@ abstract class AbstractPostgreSqlPlatformTestCase extends AbstractPlatformTestCa
         $this->assertSame(0, $platform->convertBooleansToDatabaseValue(false));
     }
 
-    /**
-     * @expectedException        UnexpectedValueException
-     * @expectedExceptionMessage Unrecognized boolean literal 'my-bool'
-     */
-    public function testThrowsExceptionWithInvalidBooleanLiteral()
-    {
-        $platform = $this->createPlatform()->convertBooleansToDatabaseValue("my-bool");
-    }
-
     /**
      * @dataProvider pgBooleanProvider
      *