Add missing extends tests

Author: jmikola

tests/bson/bson-decimal128_error-002.phpt

@@ -0,0 +1,12 @@
+--TEST--
+MongoDB\BSON\Decimal128 cannot be extended
+--FILE--
+<?php
+
+class MyDecimal128 extends MongoDB\BSON\Decimal128 {}
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+Fatal error: Class MyDecimal128 may not inherit from final class (MongoDB\BSON\Decimal128) in %s on line %d

tests/command/command_error-001.phpt

@@ -0,0 +1,12 @@
+--TEST--
+MongoDB\Driver\Command cannot be extended
+--FILE--
+<?php
+
+class MyCommand extends MongoDB\Driver\Command {}
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+Fatal error: Class MyCommand may not inherit from final class (MongoDB\Driver\Command) in %s on line %d

tests/writeConcernError/writeconcernerror_error-001.phpt

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+--TEST--
+MongoDB\Driver\WriteConcernError cannot be extended
+--FILE--
+<?php
+
+class MyWriteConcernError extends MongoDB\Driver\WriteConcernError {}
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+Fatal error: Class MyWriteConcernError may not inherit from final class (MongoDB\Driver\WriteConcernError) in %s on line %d

tests/writeError/writeerror_error-001.phpt

@@ -0,0 +1,12 @@
+--TEST--
+MongoDB\Driver\WriteError cannot be extended
+--FILE--
+<?php
+
+class MyWriteError extends MongoDB\Driver\WriteError {}
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+Fatal error: Class MyWriteError may not inherit from final class (MongoDB\Driver\WriteError) in %s on line %d

tests/writeResult/writeresult_error-001.phpt

@@ -0,0 +1,12 @@
+--TEST--
+MongoDB\Driver\WriteResult cannot be extended
+--FILE--
+<?php
+
+class MyWriteResult extends MongoDB\Driver\WriteResult {}
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+Fatal error: Class MyWriteResult may not inherit from final class (MongoDB\Driver\WriteResult) in %s on line %d