Replaying script with cairo-test-trace doesn't generate output png file for egl backend.

Submitted by Zhigang Gong @gongzg

Assigned to Chris Wilson @ickle

Link to original bug (#70490)

Description

Replaying the attached script file by the following command sequence:

export CAIRO_TEST_TARGET=egl

./cairo-test-trace foo.trace

#...

Then it will generate many output png files for image backend only but none for egl backend.