fix features tag (#1647)

test/language/module-code/early-dup-export-as-star-as.js

@@ -5,7 +5,8 @@ esid: sec-module-semantics-static-semantics-early-errors
 description: >
     It is a Syntax Error if the ExportedNames of ModuleItemList contains any
     duplicate entries.
-flags: [module, export-star-as-namespace-from-module]
+flags: [module]
+features: [export-star-as-namespace-from-module]
 negative:
   phase: parse
   type: SyntaxError

test/language/module-code/early-dup-export-star-as-dflt.js

@@ -5,7 +5,8 @@ esid: sec-module-semantics-static-semantics-early-errors
 description: >
     It is a Syntax Error if the ExportedNames of ModuleItemList contains any
     duplicate entries.
-flags: [module, export-star-as-namespace-from-module]
+flags: [module]
+features: [export-star-as-namespace-from-module]
 negative:
   phase: parse
   type: SyntaxError

test/language/module-code/parse-err-semi-export-star.js

@@ -18,7 +18,8 @@ info: |
 negative:
   phase: parse
   type: SyntaxError
-flags: [module, export-star-as-namespace-from-module]
+flags: [module]
+features: [export-star-as-namespace-from-module]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/module-code/parse-err-semi-name-space-export.js

@@ -19,7 +19,8 @@ info: |
 negative:
   phase: parse
   type: SyntaxError
-flags: [module, export-star-as-namespace-from-module]
+flags: [module]
+features: [export-star-as-namespace-from-module]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";