"Search for provider to handle test method" hang up sometimes

When try to Debug focused Test method

May be related with this error ?:

INFO [org.netbeans.modules.php.phpunit.run.TestRunner]: File /tmp/nb-phpunit-log.xml not found or cannot be parsed. If there are no errors in PHPUnit output (verify in Output window), please report an issue (http://www.netbeans.org/issues/).
INFO [org.netbeans.modules.php.project.ui.testrunner.UnitTestRunner]
java.io.FileNotFoundException: /tmp/nb-phpunit-log.xml (Adresář nebo soubor neexistuje)
    at java.io.FileInputStream.open0(Native Method)
    at java.io.FileInputStream.open(FileInputStream.java:195)
    at java.io.FileInputStream.<init>(FileInputStream.java:138)
    at org.netbeans.modules.php.phpunit.run.TestRunner.createTestSession(TestRunner.java:73)
Caused: org.netbeans.modules.php.spi.testing.run.TestRunException
    at org.netbeans.modules.php.phpunit.run.TestRunner.processPhpUnitError(TestRunner.java:98)
    at org.netbeans.modules.php.phpunit.run.TestRunner.createTestSession(TestRunner.java:75)
    at org.netbeans.modules.php.phpunit.run.TestRunner.runTests(TestRunner.java:62)
    at org.netbeans.modules.php.phpunit.PhpUnitTestingProvider.runTests(PhpUnitTestingProvider.java:113)
[catch] at org.netbeans.modules.php.project.ui.testrunner.UnitTestRunner.runInternal(UnitTestRunner.java:109)
    at org.netbeans.modules.php.project.ui.testrunner.UnitTestRunner.run(UnitTestRunner.java:90)
    at org.netbeans.modules.php.project.ui.actions.support.ConfigActionTest.run(ConfigActionTest.java:208)
    at org.netbeans.modules.php.project.ui.actions.support.ConfigActionTest.debugMethod(ConfigActionTest.java:203)
    at org.netbeans.modules.php.project.ui.actions.DebugTestMethodCommand.invokeActionInternal(DebugTestMethodCommand.java:58)
    at org.netbeans.modules.php.project.ui.actions.Command.invokeAction(Command.java:65)
    at org.netbeans.modules.php.project.PhpActionProvider.runCommand(PhpActionProvider.java:130)
    at org.netbeans.modules.php.project.PhpActionProvider$1.run(PhpActionProvider.java:117)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)