ignore failures for acutals that never appear

expectations/gm/Test-Linux-Bare-NoGPU-Arm8_64-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 5781 matching lines @@
           "bitmap-64bitMD5", 
           14762739513429490065
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "stroketext_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17592292995537725992
+          11724619719370678146
         ]
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "stroketext_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17247957969208541798
+          11559858618240438449
         ]
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "tablecolorfilter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           6155339908971373908
         ]
       ], 
       "ignore-failure": false
@@ skipping 477 matching lines @@
         [
           "bitmap-64bitMD5", 
           15549718827846620000
         ]
       ], 
       "ignore-failure": false, 
       "reviewed-by-human": true
     }
   }
 }