Add timezone-related DateTimeFormat tests

Author: justingrant

index.mjs

@@ -212,6 +212,9 @@ export default function runTest262({ test262Dir, testGlobs, polyfillCodeFile, ex
       path.resolve(testSubdirectory, '**/Temporal/**/*.js'),
       // e.g. intl402/DateTimeFormat/prototype/format/temporal-objects-resolved-time-zone.js
       path.resolve(testSubdirectory, 'intl402/**/*[tT]emporal*.js'),
+      // Intl tests related to time zones
+      // e.g. intl402/DateTimeFormat/timezone-case-insensitive.js
+      path.resolve(testSubdirectory, 'intl402/DateTimeFormat/**/*[zZ]one*.js'),
       // "p*" is a workaround because there is no toTemporalInstant dir at this time
       path.resolve(testSubdirectory, 'built-ins/Date/p*/toTemporalInstant/*.js')
     ].forEach((defaultGlob) => globResults.push(...globSync(defaultGlob, GLOB_OPTS)));