assert -Werror=specific survives

Signed-off-by: Harmen Stoppels <harmenstoppels@gmail.com>

Author: haampie

test/run.sh

@@ -1309,8 +1309,8 @@ test_werror_handling() {
 
     _werror_set_mode specific
     _out=$(dump_args cc "$_in1")
-    expect_contains     werror_spec1 "$_out" '-Wno-error'
     expect_not_contains werror_spec1 "$_out" '-Werror'
+    expect_contains     werror_spec1 "$_out" '-Werror=specific'
 
     _werror_set_mode none
     _out=$(dump_args cc "$_in1")