Rename test files

Author: aibaars

javascript/extractor/tests/esnext/input/import-assertion.js renamed to javascript/extractor/tests/esnext/input/import-attributes.js

@@ -1,5 +1,5 @@
-#10000=@"/import-assertion.js;sourcefile"
-files(#10000,"/import-assertion.js")
+#10000=@"/import-attributes.js;sourcefile"
+files(#10000,"/import-attributes.js")
 #10001=@"/;folder"
 folders(#10001,"/")
 containerparent(#10001,#10000)