test: address test failures

---
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/blas/ext/index-of/test/test.main.js

@@ -1060,7 +1060,7 @@ tape( 'the function supports specifying the `keepdims` option (column-major)', f
 	actual = indexOf( x, 2.0, {
 		'keepdims': true
 	});
-	expected = [ [ 0 ], [ 1 ] ];
+	expected = [ [ -1 ], [ 0 ] ];
 
 	t.strictEqual( isndarrayLike( actual ), true, 'returns expected value' );
 	t.strictEqual( getDType( actual ), 'generic', 'returns expected value' );
@@ -1071,7 +1071,7 @@ tape( 'the function supports specifying the `keepdims` option (column-major)', f
 	actual = indexOf( x, 2.0, 0, {
 		'keepdims': true
 	});
-	expected = [ [ 0 ], [ 1 ] ];
+	expected = [ [ -1 ], [ 0 ] ];
 
 	t.strictEqual( isndarrayLike( actual ), true, 'returns expected value' );
 	t.strictEqual( getDType( actual ), 'generic', 'returns expected value' );