Fixed single test execution of phpunit tests.

[siad007]

It is not possible to execute unit tests with codecoverage of a single phpunit file.
Example: running PhingTest as phpunit test under phpstorm wich will execute:

php.exe -dxdebug.coverage_enable=1 C:\XXX\phing/vendor/phpunit/phpunit/phpunit --coverage-clover C:\XXX\.PhpStorm2018.3\system\coverage\phingPhpArrayRebase$PhingTest.xml --configuration C:\XXX\phing\test\phpunit.xml PhingTest C:\XXX\phing\test\classes\phing\PhingTest.php --teamcity

will end with:

PHPUnit 7.5.3 by Sebastian Bergmann and contributors.

Runtime:       PHP 7.1.8 with Xdebug 2.5.5
Configuration: C:\XXX\phing\test\phpunit.xml

  Warning - The configuration file did not pass validation!
  The following problems have been detected:

  Line 13:
  - Element 'phpunit', attribute 'syntaxCheck': The attribute 'syntaxCheck' is not allowed.
  - Element 'phpunit', attribute 'strict': The attribute 'strict' is not allowed.

  Test results may not be as expected.




Time: 1.01 seconds, Memory: 10.00MB

OK (3 tests, 17 assertions)

Generating code coverage report in Clover XML format ... done

Process finished with exit code 0

with no coverage generated inside the IDE.

So I removed syntaxCheck and strict attribute from phpunit.xml and extended the whitelist.

[codecov]

Codecov Report

Merging #1027 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1027   +/-   ##
=========================================
  Coverage     46.11%   46.11%           
  Complexity    10029    10029           
=========================================
  Files           505      505           
  Lines         24460    24460           
=========================================
  Hits          11279    11279           
  Misses        13181    13181

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