Use static methods inside data providers

Author: OskarStark

Tests/GitignoreTest.php

@@ -55,7 +55,7 @@ public function testToRegex(array $gitignoreLines, array $matchingCases, array $
         }
     }
 
-    public function provider(): array
+    public static function provider(): array
     {
         $cases = [
             [
@@ -394,7 +394,7 @@ public function provider(): array
 
     public function providerExtended(): array
     {
-        $basicCases = $this->provider();
+        $basicCases = self::provider();
 
         $cases = [];
         foreach ($basicCases as $case) {

Tests/Iterator/SizeRangeFilterIteratorTest.php

@@ -41,7 +41,7 @@ public function getAcceptData()
         ];
 
         return [
-            [[new NumberComparator('< 1K'), new NumberComparator('> 0.5K')], $this->toAbsolute($lessThan1KGreaterThan05K)],
+            [[new NumberComparator('< 1K'), new NumberComparator('> 0.5K')], self::toAbsolute($lessThan1KGreaterThan05K)],
         ];
     }
 }