pdn: fix tests using .* to avoid warnings

Signed-off-by: Peter Gadfort <peter.gadfort@gmail.com>

Author: gadfort

src/pdn/test/asap7_failed_macro_covered.tcl

@@ -18,7 +18,7 @@ add_pdn_connect -grid {top} -layers {M2 M5}
 add_pdn_connect -grid {top} -layers {M5 M6}
 
 define_pdn_grid -name {CORE_macro_grid_1} -voltage_domains {CORE} -macro \
-  -orient {R0 R180 MX MY} -cells {.*}
+  -orient {R0 R180 MX MY} -cells {fake.*}
 add_pdn_connect -grid {CORE_macro_grid_1} -layers {M4 M5}
 
 catch { pdngen } err

src/pdn/test/asap7_macro_notcovered.tcl

@@ -18,7 +18,7 @@ add_pdn_connect -grid {top} -layers {M2 M5}
 add_pdn_connect -grid {top} -layers {M5 M6}
 
 define_pdn_grid -name {CORE_macro_grid_1} -voltage_domains {CORE} -macro \
-  -orient {R0 R180 MX MY} -cells {.*}
+  -orient {R0 R180 MX MY} -cells {fake.*}
 add_pdn_stripe -grid {CORE_macro_grid_1} -layer {M5} -width {0.12} -spacing {0.072} -pitch {11.88} \
   -offset {0.300}
 add_pdn_connect -grid {CORE_macro_grid_1} -layers {M4 M5}