Revert "[ftr/startServers] resolve relative config arguments at CLI (#…

…141450)"

This reverts commit a5afcd7.

packages/kbn-test/src/functional_tests/start_servers/flags.test.ts

@@ -6,19 +6,13 @@
  * Side Public License, v 1.
  */
 
-import Path from 'path';
-
 import { getFlags, FlagsReader } from '@kbn/dev-cli-runner';
 import { createAnyInstanceSerializer, createAbsolutePathSerializer } from '@kbn/jest-serializers';
-import { REPO_ROOT } from '@kbn/utils';
-
 import { EsVersion } from '../../functional_test_runner';
 import { parseFlags, FLAG_OPTIONS } from './flags';
 
 jest.mock('uuid', () => ({ v4: () => 'some-uuid' }));
 
-const cwdMock = (process.cwd = jest.fn().mockReturnValue(REPO_ROOT));
-
 expect.addSnapshotSerializer(
   createAnyInstanceSerializer(EsVersion, (v: EsVersion) => `EsVersion ${v.toString()}`)
 );
@@ -29,27 +23,10 @@ const defaults = getFlags(['--config=foo'], FLAG_OPTIONS);
 const test = (opts: Record<string, string | string[] | boolean | undefined>) =>
   parseFlags(new FlagsReader({ ...defaults, ...opts }));
 
-beforeEach(() => {
-  cwdMock.mockReturnValue(REPO_ROOT);
-});
-
 it('parses a subset of the flags from runTests', () => {
   expect(test({ config: 'foo' })).toMatchInlineSnapshot(`
     Object {
-      "config": <absolute path>/foo,
-      "esFrom": undefined,
-      "esVersion": <EsVersion 9.9.9>,
-      "installDir": undefined,
-      "logsDir": undefined,
-    }
-  `);
-});
-
-it('respects the cwd of the script', () => {
-  cwdMock.mockReturnValue(Path.resolve(REPO_ROOT, 'x-pack'));
-  expect(test({ config: 'foo' })).toMatchInlineSnapshot(`
-    Object {
-      "config": <absolute path>/x-pack/foo,
+      "config": "foo",
       "esFrom": undefined,
       "esVersion": <EsVersion 9.9.9>,
       "installDir": undefined,

packages/kbn-test/src/functional_tests/start_servers/flags.ts

@@ -31,8 +31,8 @@ export const FLAG_OPTIONS: FlagOptions = {
 
 export function parseFlags(flags: FlagsReader) {
   const configs = [
-    ...(flags.arrayOfPaths('config') ?? []),
-    ...(flags.arrayOfPaths('journey') ?? []),
+    ...(flags.arrayOfStrings('config') ?? []),
+    ...(flags.arrayOfStrings('journey') ?? []),
   ];
   if (configs.length !== 1) {
     throw createFlagError(`expected exactly one --config or --journey flag`);