Tests: Use `Core::Stream` to write output files in LibGL tests

1 files changed, 3 insertions, 5 deletions

diff --git a/Tests/LibGL/TestRender.cpp b/Tests/LibGL/TestRender.cpp
index 12193ee2c3..1b7148fb2d 100644
--- a/Tests/LibGL/TestRender.cpp
+++ b/Tests/LibGL/TestRender.cpp
@@ -7,7 +7,7 @@
 
 #include <AK/DeprecatedString.h>
 #include <AK/LexicalPath.h>
-#include <LibCore/FileStream.h>
+#include <LibCore/Stream.h>
 #include <LibGL/GL/gl.h>
 #include <LibGL/GLContext.h>
 #include <LibGfx/Bitmap.h>
@@ -36,10 +36,8 @@ static void expect_bitmap_equals_reference(Gfx::Bitmap const& bitmap, StringView
     if constexpr (SAVE_OUTPUT) {
         auto target_path = LexicalPath("/home/anon").append(reference_filename);
         auto qoi_buffer = Gfx::QOIWriter::encode(bitmap);
-        auto qoi_output_stream = MUST(Core::OutputFileStream::open(target_path.string()));
-        auto number_of_bytes_written = qoi_output_stream.write(qoi_buffer);
-        qoi_output_stream.close();
-        EXPECT_EQ(number_of_bytes_written, qoi_buffer.size());
+        auto qoi_output_stream = MUST(Core::Stream::File::open(target_path.string(), Core::Stream::OpenMode::Write));
+        MUST(qoi_output_stream->write_entire_buffer(qoi_buffer));
     }
 
     auto reference_image_path = DeprecatedString::formatted(REFERENCE_IMAGE_DIR "/{}", reference_filename);