Renamed helpers tests to match src.

Signed-off-by: dblock <[email protected]>

tools/tests/tester/helpers.test.ts

@@ -0,0 +1,25 @@
+/*
+* Copyright OpenSearch Contributors
+* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+import { overall_result } from '../../src/tester/helpers'
+import { type Evaluation, Result } from '../../src/tester/types/eval.types'
+
+describe('helpers', () => {
+  function e (...results: Result[]): Evaluation[] {
+    return results.map(result => ({ result }))
+  }
+
+  test('overall_result', () => {
+    expect(overall_result(e(Result.PASSED, Result.SKIPPED, Result.FAILED, Result.ERROR))).toBe(Result.ERROR)
+    expect(overall_result(e(Result.PASSED, Result.SKIPPED, Result.FAILED))).toBe(Result.FAILED)
+    expect(overall_result(e(Result.PASSED, Result.SKIPPED))).toBe(Result.SKIPPED)
+    expect(overall_result(e(Result.PASSED))).toBe(Result.PASSED)
+    expect(overall_result(e())).toBe(Result.PASSED)
+  })
+})