Merge pull request #6499 from ping-yee/test-TestCaseTest

Author: MGatner

tests/system/Test/TestCaseTest.php

@@ -27,6 +27,14 @@ final class TestCaseTest extends CIUnitTestCase
      */
     private $stream_filter;
 
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        // Reset CLI::$lastWrite
+        CLI::print();
+    }
+
     public function testGetPrivatePropertyWithObject()
     {
         $obj    = new __TestForReflectionHelper();
@@ -56,7 +64,7 @@ public function testStreamFilter()
         CITestStreamFilter::$buffer = '';
         $this->stream_filter        = stream_filter_append(STDOUT, 'CITestStreamFilter');
         CLI::write('first.');
-        $expected = "first.\n";
+        $expected = "\nfirst.\n";
         $this->assertSame($expected, CITestStreamFilter::$buffer);
         stream_filter_remove($this->stream_filter);
     }