test: address failing tests

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: kgryte

lib/node_modules/@stdlib/time/duration2ms/test/test.js

@@ -46,6 +46,7 @@ tape( 'the function throws an error if not provided a duration string', function
 		[],
 		{},
 		function noop() {},
+		'',
 		'2x',
 		'1w1d',
 		'1y3w12d'
@@ -85,9 +86,3 @@ tape( 'the function converts a duration string to milliseconds', function test(
 	}
 	t.end();
 });
-
-tape( 'the function returns `0` if provided an empty string', function test( t ) {
-	var ms = duration2ms( '' );
-	t.equal( ms, 0, 'returns 0' );
-	t.end();
-});