diff --git a/test_regress/t/t_class_param_extends_static_member_function_access.py b/test_regress/t/t_class_param_extends_static_func.py
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rename from test_regress/t/t_class_param_extends_static_member_function_access.py
rename to test_regress/t/t_class_param_extends_static_func.py
diff --git a/test_regress/t/t_class_param_extends_static_member_function_access.v b/test_regress/t/t_class_param_extends_static_func.v
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rename from test_regress/t/t_class_param_extends_static_member_function_access.v
rename to test_regress/t/t_class_param_extends_static_func.v
diff --git a/test_regress/t/t_interface_array_parameter_aggregate_access.py b/test_regress/t/t_interface_array_parameter_aggregate.py
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rename from test_regress/t/t_interface_array_parameter_aggregate_access.py
rename to test_regress/t/t_interface_array_parameter_aggregate.py
diff --git a/test_regress/t/t_interface_array_parameter_aggregate_access.v b/test_regress/t/t_interface_array_parameter_aggregate.v
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rename from test_regress/t/t_interface_array_parameter_aggregate_access.v
rename to test_regress/t/t_interface_array_parameter_aggregate.v
diff --git a/test_regress/t/t_lint_always_comb_multidriven_compile_public_flat_bad.out b/test_regress/t/t_lint_always_comb_multidriven_public_bad.out
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rename from test_regress/t/t_lint_always_comb_multidriven_compile_public_flat_bad.out
rename to test_regress/t/t_lint_always_comb_multidriven_public_bad.out
diff --git a/test_regress/t/t_lint_always_comb_multidriven_compile_public_flat_bad.py b/test_regress/t/t_lint_always_comb_multidriven_public_bad.py
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rename from test_regress/t/t_lint_always_comb_multidriven_compile_public_flat_bad.py
rename to test_regress/t/t_lint_always_comb_multidriven_public_bad.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mod1.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mod1.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mod1.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mod1.v
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules2.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mod2.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules2.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mod2.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules2.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mod2.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules2.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mod2.v
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules3.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mod3.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules3.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mod3.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules3.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mod3.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules3.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mod3.v
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg1.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg1.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg1.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg1.v
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg2.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg2.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg2.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg2.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg2.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg2.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg2.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg2.v
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg3.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg3.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg3.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg3.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg3.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg3.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg3.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg3.v
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg4.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg4.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg4.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg4.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg4.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg4.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg4.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg4.v
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg5.py b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg5.py
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg5.py
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg5.py
diff --git a/test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg5.v b/test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg5.v
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rename from test_regress/t/t_lparam_assign_iface_typedef_nested_modules_pkg5.v
rename to test_regress/t/t_lparam_assign_iface_typedef_nested_mpkg5.v
diff --git a/test_regress/t/t_static_function_in_class_call_without_parentheses.py b/test_regress/t/t_static_function_in_class_noparen.py
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rename from test_regress/t/t_static_function_in_class_call_without_parentheses.py
rename to test_regress/t/t_static_function_in_class_noparen.py
diff --git a/test_regress/t/t_static_function_in_class_call_without_parentheses.v b/test_regress/t/t_static_function_in_class_noparen.v
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rename from test_regress/t/t_static_function_in_class_call_without_parentheses.v
rename to test_regress/t/t_static_function_in_class_noparen.v
diff --git a/test_regress/t/t_virtual_interface_member_trigger_realistic_case.py b/test_regress/t/t_virtual_interface_member_trigger_real.py
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rename from test_regress/t/t_virtual_interface_member_trigger_realistic_case.py
rename to test_regress/t/t_virtual_interface_member_trigger_real.py
diff --git a/test_regress/t/t_virtual_interface_member_trigger_realistic_case.v b/test_regress/t/t_virtual_interface_member_trigger_real.v
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rename from test_regress/t/t_virtual_interface_member_trigger_realistic_case.v
rename to test_regress/t/t_virtual_interface_member_trigger_real.v