Bug 1645792 - Mark non262/String/normalize-generateddata-part* slow in SM(smoosh) debug job. r=yulia

Differential Revision: https://phabricator.services.mozilla.com/D79696

js/src/devtools/automation/smoosh-jstests-slow.txt

@@ -0,0 +1,5 @@
+non262/String/normalize-generateddata-part0.js
+non262/String/normalize-generateddata-part1-not-listed.js
+non262/String/normalize-generateddata-part1.js
+non262/String/normalize-generateddata-part2.js
+non262/String/normalize-generateddata-part3.js

js/src/devtools/automation/variants/smooshdebug

@@ -3,7 +3,7 @@
     "debug": true,
     "compiler": "clang",
     "env": {
-        "JSTESTS_EXTRA_ARGS": "--args='--smoosh' --jitflags=debug",
+        "JSTESTS_EXTRA_ARGS": "--args='--smoosh' --jitflags=debug --exclude-file={DIR}/smoosh-jstests-slow.txt",
         "JITTEST_EXTRA_ARGS": "--args='--smoosh'"
     },
     "conditional-configure-args": {