diff --git a/.gitignore b/.gitignore
index 422049bbb6b7a8a45828c0b26312e76414ef4143..4229c1b5650ee17c8ef702f1efd93089ea0b0c99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,7 +9,6 @@
 .#*
 *.jpg
 *.pdf
-*.png
 *.svg
 *.swp
 *~
diff --git a/test/img/find_test_data_generation_workflow.png b/test/img/find_test_data_generation_workflow.png
new file mode 100644
index 0000000000000000000000000000000000000000..58c69dbbed55c945155bb63d13712d2ff2e52950
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diff --git a/test/img/run_test_data_generation_workflow.png b/test/img/run_test_data_generation_workflow.png
new file mode 100644
index 0000000000000000000000000000000000000000..6ce267ff53d29b81d23512991d90cf433d977c92
Binary files /dev/null and b/test/img/run_test_data_generation_workflow.png differ