Fix tree-sitter-mozjs test failures introduced by #1141 #1143
Description
Following the grammar updates made by #1141, some tests are failing due to a parsing error in tree-sitter-javascript: tree-sitter/tree-sitter-javascript#351.
Below is a list of the failing tests, intended to track and fix them as the issue is resolved:
pdf.js/extensions/firefox/tools/l10n.jspdf.js/src/display/optional_content_config.jspdf.js/docs/contents/js/bootstrap.min.jspdf.js/src/display/font_loader.jspdf.js/src/display/content_disposition.jspdf.js/src/display/pattern_helper.jspdf.js/src/display/canvas.jspdf.js/src/display/annotation_layer.jspdf.js/src/display/svg.jspdf.js/docs/contents/js/jquery-2.1.0.min.jspdf.js/src/display/display_utils.jspdf.js/src/display/editor/ink.jspdf.js/src/display/text_layer.jspdf.js/src/display/api.jspdf.js/src/core/fonts_utils.jspdf.js/src/core/primitives.jspdf.js/src/core/jpg.jspdf.js/src/core/jbig2_stream.jspdf.js/src/core/colorspace.jspdf.js/src/core/worker.jspdf.js/src/core/parser.jspdf.js/src/core/annotation.jspdf.js/src/core/evaluator.jspdf.js/src/core/function.jspdf.js/src/core/jpx_stream.jspdf.js/src/core/predictor_stream.jspdf.js/src/core/run_length_stream.jspdf.js/src/core/image.jspdf.js/src/core/writer.jspdf.js/src/core/operator_list.jspdf.js/src/core/jbig2.jspdf.js/src/core/jpx.jspdf.js/src/core/document.jspdf.js/src/core/name_number_tree.jspdf.js/src/core/cff_parser.jspdf.js/src/core/core_utils.jspdf.js/src/core/metadata_parser.jspdf.js/src/core/pattern.jspdf.js/src/core/fonts.jspdf.js/src/core/ccitt.jspdf.js/src/core/cff_font.jspdf.js/src/core/jpeg_stream.jspdf.js/src/core/struct_tree.jspdf.js/src/core/font_renderer.jspdf.js/src/core/glyf.jspdf.js/src/core/to_unicode_map.jspdf.js/src/core/cmap.jspdf.js/src/core/crypto.jspdf.js/src/core/type1_parser.jspdf.js/src/core/bidi.jspdf.js/src/core/chunked_stream.jspdf.js/src/core/type1_font.jspdf.js/src/core/opentype_file_builder.jspdf.js/src/core/catalog.jspdf.js/src/core/xref.jspdf.js/src/core/xml_parser.jspdf.js/src/core/flate_stream.jspdf.js/src/core/xfa/bind.jspdf.js/src/core/unicode.jspdf.js/src/core/xfa/text.jspdf.js/src/core/xfa/config.jspdf.js/src/core/xfa/som.jspdf.js/src/core/image_resizer.jspdf.js/src/core/xfa/xfa_object.jspdf.js/src/core/ascii_85_stream.jspdf.js/src/core/lzw_stream.jspdf.js/src/core/xfa/template.jspdf.js/src/scripting_api/field.jspdf.js/src/shared/fonts_utils.jspdf.js/src/scripting_api/aform.jspdf.js/src/shared/image_utils.jspdf.js/src/shared/murmurhash3.jspdf.js/src/shared/util.jspdf.js/test/stats/statcmp.jspdf.js/test/chromium/test-telemetry.jspdf.js/test/test.jspdf.js/test/integration/annotation_spec.jspdf.js/test/integration/freetext_editor_spec.jspdf.js/test/integration/ink_editor_spec.jspdf.js/test/resources/reftest-analyzer.jspdf.js/test/driver.jspdf.js/test/unit/crypto_spec.jspdf.js/test/integration/scripting_spec.jspdf.js/test/unit/ui_utils_spec.jspdf.js/test/unit/util_spec.jspdf.js/test/unit/struct_tree_spec.jspdf.js/test/unit/parser_spec.jspdf.js/test/unit/cff_parser_spec.jspdf.js/test/unit/annotation_spec.jspdf.js/test/unit/pdf_viewer_spec.jspdf.js/test/unit/pdf_find_controller_spec.jspdf.js/test/unit/scripting_spec.jspdf.js/examples/image_decoders/jpeg_viewer.jspdf.js/examples/node/pdf2svg.jspdf.js/examples/node/getinfo.jspdf.js/external/dist/webpack.jspdf.js/external/webL10n/l10n.jspdf.js/gulpfile.jspdf.js/test/unit/api_spec.jspdf.js/external/cmapscompress/optimize.jspdf.js/external/cmapscompress/compress.jspdf.js/web/firefox_print_service.jspdf.js/external/quickjs/quickjs-eval.jspdf.js/web/pdf_rendering_queue.jspdf.js/web/ui_utils.jspdf.js/web/event_utils.jspdf.js/web/debugger.jspdf.js/web/app.jspdf.js/web/pdf_page_view.jspdf.js/web/pdf_find_controller.jspdf.js/web/pdf_outline_viewer.jspdf.js/web/pdf_link_service.jspdf.js/web/pdf_thumbnail_viewer.jspdf.js/web/pdf_viewer.jspdf.js/web/text_highlighter.jspdf.js/web/view_history.jspdf.js/web/pdf_history.jspdf.js/web/pdf_sidebar.js