clean up unnecessary override lookalike

Author: samsonasik

tests/ChangesReporting/Output/JsonOutputFormatterTest.php

@@ -31,7 +31,8 @@ public function testGetName(): void
 
     public function testReportShouldShowNumberOfChangesWithNoDiffs(): void
     {
-        $this->expectOsOutputString((string) file_get_contents(__DIR__ . '/Fixtures/without_diffs.json'));
+        $expectedOutput = (string) file_get_contents(__DIR__ . '/Fixtures/without_diffs.json');
+        $this->expectOutputString(rtrim($expectedOutput) . PHP_EOL);
 
         $this->jsonOutputFormatter->report(
             new ProcessResult(
@@ -62,15 +63,4 @@ public function testReportShouldShowNumberOfChangesWithNoDiffs(): void
             new Configuration(showDiffs: false)
         );
     }
-
-    protected function expectOsOutputString(string $expectedOutput): void
-    {
-        $isWindows = strncasecmp(PHP_OS, 'WIN', 3) === 0;
-        if ($isWindows) {
-            $expectedOutput = str_replace('%0A', '%0D%0A', $expectedOutput);
-            $expectedOutput = trim($expectedOutput) . PHP_EOL;
-        }
-
-        parent::expectOutputString($expectedOutput);
-    }
 }