[build] Run hsimple.py tutorial first to produce needed file

hist015_TH1_read_and_draw.py and hist015_TH1_read_and_draw_uhi.py need py-hsimple.root produced by hsimple.py, so run that first when testing the wheel.

Author: vepadulano

test/wheels/test_tutorials.py

@@ -30,7 +30,9 @@
 # ----------------------
 # Python tutorials tests
 # ----------------------
-py_tutorials = []
+# Prepend hsimple.py to execute it first, hist015_TH1_read_and_draw.py and hist015_TH1_read_and_draw_uhi.py need the
+# file produced by this tutorial
+py_tutorials = [tutorial_dir / "hsimple.py"]
 for sub in subdirs:
     sub_path = tutorial_dir / sub
     for f in sub_path.rglob("*.py"):