Update phpunit.xml (#1733)

Author: Smolevich

phpunit.xml.dist

@@ -8,13 +8,11 @@
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
          verbose="true"
 >
     <testsuites>
         <testsuite name="all">
             <directory>tests/</directory>
-            <exclude>tests/MysqlRelationsTest.php</exclude>
         </testsuite>
         <testsuite name="schema">
             <directory>tests/SchemaTest.php</directory>
@@ -39,7 +37,6 @@
         </testsuite>
         <testsuite name="mysqlrelations">
             <directory>tests/RelationsTest.php</directory>
-            <directory>tests/MysqlRelationsTest.php</directory>
         </testsuite>
         <testsuite name="validation">
             <directory>tests/ValidationTest.php</directory>