use deprecated assertion for stable compatibility

Author: splitbrain

_test/GeneralTest.php

@@ -32,9 +32,9 @@ public function testPluginInfo(): void
         $this->assertArrayHasKey('url', $info);
 
         $this->assertEquals('dbquery', $info['base']);
-        $this->assertMatchesRegularExpression('/^https?:\/\//', $info['url']);
+        $this->assertRegExp('/^https?:\/\//', $info['url']);
         $this->assertTrue(mail_isvalid($info['email']));
-        $this->assertMatchesRegularExpression('/^\d\d\d\d-\d\d-\d\d$/', $info['date']);
+        $this->assertRegExp('/^\d\d\d\d-\d\d-\d\d$/', $info['date']);
         $this->assertTrue(false !== strtotime($info['date']));
     }
 

_test/QueryTest.php

@@ -40,6 +40,6 @@ public function testUrlParsing($content, $expect)
 
         $this->callInaccessibleMethod($plugin, 'cellFormat', [$content, $R]);
 
-        $this->assertMatchesRegularExpression($expect, $R->doc);
+        $this->assertRegExp($expect, $R->doc);
     }
 }