tests: fixes

Author: dg

tests/Http.DI/HttpExtension.csp.phpt

@@ -54,8 +54,8 @@ preg_match('#nonce-([\w+/]+=*)#', implode($headers), $nonce);
 Assert::contains("Content-Security-Policy: default-src 'self' https://example.com; upgrade-insecure-requests; script-src 'nonce-$nonce[1]'; style-src 'self' https://example.com http:; require-sri-for style; sandbox allow-forms; plugin-types application/x-java-applet;", $headers);
 Assert::contains("Content-Security-Policy-Report-Only: default-src 'nonce-$nonce[1]'; report-uri https://example.com/report; upgrade-insecure-requests;", $headers);
 
-
-echo ' '; @ob_flush(); flush();
+// flush buffers
+echo str_repeat(' ', ini_get('output_buffering') + 1);
 
 Assert::true(headers_sent());
 

tests/Http.DI/HttpExtension.featurePolicy.phpt

@@ -43,7 +43,8 @@ var_dump($headers);
 Assert::contains("Feature-Policy: unsized-media 'none'; geolocation 'self' https://example.com; camera *;", $headers);
 
 
-echo ' '; @ob_flush(); flush();
+// flush buffers
+echo str_repeat(' ', ini_get('output_buffering') + 1);
 
 Assert::true(headers_sent());
 

tests/Http.DI/HttpExtension.headers.phpt

@@ -44,7 +44,8 @@ Assert::contains('D: 0', $headers);
 Assert::notContains('C:', $headers);
 
 
-echo ' '; @ob_flush(); flush();
+// flush buffers
+echo str_repeat(' ', ini_get('output_buffering') + 1);
 
 Assert::true(headers_sent());
 

tests/Http/Response.error.phpt

@@ -2,6 +2,7 @@
 
 /**
  * Test: Nette\Http\Response errors.
+ * @phpIni output_buffering=0
  */
 
 declare(strict_types=1);