Make tests compatible with PHPUnit 7+

Author: cweiske

composer.json

@@ -27,6 +27,6 @@
         "ext-mbstring": "May require the mbstring PHP extension"
     },
     "require-dev": {
-        "phpunit/phpunit": "*"
+        "phpunit/phpunit": "7.*|8.*|9.*"
     }
 }

tests/Text_LanguageDetectTest.php

@@ -12,9 +12,9 @@
 require_once 'Text/LanguageDetect.php';
 require_once __DIR__ . '/PrivProxy.php';
 
-class Text_LanguageDetectTest extends PHPUnit_Framework_TestCase {
+class Text_LanguageDetectTest extends \PHPUnit\Framework\TestCase {
 
-    function setup ()
+    function setUp()
     {
         $this->x = new Text_LanguageDetect();
         $this->xproxy = new PrivProxy($this->x);

tests/Text_LanguageDetect_ISO639Test.php

@@ -5,7 +5,7 @@
 
 require_once 'Text/LanguageDetect/ISO639.php';
 
-class Text_LanguageDetect_ISO639Test extends PHPUnit_Framework_TestCase
+class Text_LanguageDetect_ISO639Test extends PHPUnit\Framework\TestCase
 {
     public function testNameToCode2()
     {