[gegl] tests/simple: update .gitignore file

[Thomas Manni <tmanni src gnome org>]

commit c02581886a5f49d889cee725b5ce911dd80a0acd
Author: Thomas Manni <thomas manni free fr>
Date:   Tue Jun 25 11:47:30 2019 +0200

    tests/simple: update .gitignore file

 tests/simple/.gitignore | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/tests/simple/.gitignore b/tests/simple/.gitignore
index 4b6a57f5e..7d363bfdd 100644
--- a/tests/simple/.gitignore
+++ b/tests/simple/.gitignore
@@ -36,3 +36,6 @@
 /test-node-passthrough
 /test-serialize
 /test-buffer-sharing
+/test-buffer-iterator-aliasing
+/test-buffer-unaligned-access
+/test-compression