[recipes] Increase test coverage

infra/bots/recipes/swarm_test.expected/Test-Ubuntu-GCC-GCE-CPU-AVX2-x86-Debug.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/skia/infra/bots/assets/skp/VERSION",
       "/path/to/tmp/"
     ],
     "name": "Get downloaded SKP VERSION"
@@ skipping 137 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@    if retry == RETRIES:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise@@@",
       "@@@STEP_LOG_LINE@python.inline@    waittime = WAIT_BASE * math.pow(2, retry)@@@",
       "@@@STEP_LOG_LINE@python.inline@    print 'Retry in %d seconds.' % waittime@@@",
       "@@@STEP_LOG_LINE@python.inline@    time.sleep(waittime)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
-      "catchsegv",
       "[SLAVE_BUILD]/out/Debug/dm",
       "--undefok",
       "--resourcePath",
       "[SLAVE_BUILD]/skia/resources",
       "--skps",
       "[SLAVE_BUILD]/skp",
       "--images",
       "[SLAVE_BUILD]/skimage/dm",
       "--colorImages",
       "[SLAVE_BUILD]/skimage/colorspace",
       "--nameByHash",
       "--properties",
       "gitHash",
       "abc123",
       "master",
       "client.skia",
       "builder",
-      "Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug",
+      "Test-Ubuntu-GCC-GCE-CPU-AVX2-x86-Debug",
       "build_number",
       "5",
       "--key",
       "arch",
-      "x86_64",
+      "x86",
       "compiler",
       "GCC",
       "configuration",
       "Debug",
       "cpu_or_gpu",
       "CPU",
       "cpu_or_gpu_value",
       "AVX2",
       "model",
       "GCE",
       "os",
       "Ubuntu",
       "--uninterestingHashesFile",
       "[SLAVE_BUILD]/tmp/uninteresting_hashes.txt",
       "--writePath",
       "[CUSTOM_[SWARM_OUT_DIR]]/dm",
       "--nogpu",
+      "--threads",
+      "4",
       "--config",
       "565",
       "8888",
       "gpu",
       "gpusrgb",
       "pdf",
       "msaa16",
       "f16",
       "srgb",
       "sp-8888",
@@ skipping 194 matching lines @@
       "SKIA_OUT": "[SLAVE_BUILD]/out"
     },
     "name": "dm"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]