diff --git a/test_regress/t/t_covergroup_wildcard_max_bins.py b/test_regress/t/t_covergroup_wildcard_max_bins.py
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diff --git a/test_regress/t/t_covergroup_wildcard_max_bins_illegal.py b/test_regress/t/t_covergroup_wildcard_max_bins_illegal.py
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diff --git a/test_regress/t/t_covergroup_wildcard_max_bins_illegal_sized.py b/test_regress/t/t_covergroup_wildcard_max_bins_illegal_sized.py
old mode 100644
new mode 100755