update tests to avoid "Differences found" in .ok files

Signed-off-by: Matt Liberty <mliberty@precisioninno.com>

Author: maliberty

util/test/util_log_redirect.ok

@@ -64,7 +64,6 @@ Path Type: min
 
 
 No paths found.
-Warning 168: util_log_redirect.tcl line 1, unknown field nets.
 Startpoint: r3 (rising edge-triggered flip-flop clocked by clk)
 Endpoint: out (output port clocked by clk)
 Path Group: clk
@@ -76,6 +75,7 @@ Fanout     Cap    Slew   Delay    Time   Description
                           0.00    0.00   clock network delay (ideal)
                   0.00    0.00    0.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
      1    0.00    0.01    0.04    0.04 ^ r3/Q (DFFHQx4_ASAP7_75t_R)
+                                         out (net)
                   0.00    0.00    0.04 ^ out (out)
                                   0.04   data arrival time
 

util/test/util_log_redirect.tcl

@@ -30,7 +30,7 @@ log_begin $log_file1
 report_checks
 report_checks -path_delay min
 report_checks -from [get_ports in1] -to [get_ports out]
-report_checks -fields {slew cap input_pins nets fanout}
+report_checks -fields {slew cap input_pins net fanout}
 report_units
 
 log_end