Syntax error on running unit tests.

gistfile1.txt

Test suite failed to run

    /home/marc/Projects/ts-linq-core/src/queryable/List.ts:37
            for await (const e of this) {
                ^^^^^

    SyntaxError: Unexpected reserved word

    > 1 | import { List } from '../../src/queryable/List';
        | ^
      2 | import { AsyncIteratorUtils } from '../../src/util/AsyncIteratorUtils';
      3 | 
      4 | it('Arrays should be equal.', async () => {

      at ScriptTransformer._transformAndBuildScript (node_modules/@jest/transform/build/ScriptTransformer.js:471:17)
      at ScriptTransformer.transform (node_modules/@jest/transform/build/ScriptTransformer.js:513:25)
      at Object.<anonymous> (tests/sourced/ArraySourcedQueryable.spec.ts:1:1)

Test Suites: 1 failed, 1 total
Tests:       0 total
Snapshots:   0 total
Time:        1.246s
Ran all test suites.
npm ERR! Test failed.  See above for more details.