ci(aws_lambda): run aws lambda tests in circleci [backport #5349 to 1.9] (#5368)

Backports: #5349

## Checklist

- [x] Change(s) are motivated and described in the PR description.
- [x] Testing strategy is described if automated tests are not included
in the PR.
- [x] Risk is outlined (performance impact, potential for breakage,
maintainability, etc).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] [Library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/contributing.html#Release-Note-Guidelines)
are followed.
- [x] Documentation is included (in-code, generated user docs, [public
corp docs](https://github.com/DataDog/documentation/)).
- [x] Author is aware of the performance implications of this PR as
reported in the benchmarks PR comment.

## Reviewer Checklist

- [x] Title is accurate.
- [x] No unnecessary changes are introduced.
- [x] Description motivates each change.
- [x] Avoids breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes unless absolutely necessary.
- [x] Testing strategy adequately addresses listed risk(s).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] Release note makes sense to a user of the library.
- [x] Reviewer is aware of, and discussed the performance implications
of this PR as reported in the benchmarks PR comment.

---------

Co-authored-by: jordan gonzález <[email protected]>

Author: mabdinur

.circleci/config.yml

@@ -365,6 +365,13 @@ jobs:
       - run_test:
           pattern: 'appsec'
           snapshot: true
+    
+  aws_lambda:
+    <<: *machine_executor
+    steps:
+      - run_test:
+          pattern: 'aws_lambda'
+          snapshot: true
 
   internal:
     <<: *contrib_job
@@ -1142,6 +1149,7 @@ requires_tests: &requires_tests
     - asyncpg
     - algoliasearch
     - asgi
+    - aws_lambda
     - benchmarks
     - boto
     - bottle
@@ -1243,6 +1251,7 @@ workflows:
       - asyncpg: *requires_base_venvs
       - algoliasearch: *requires_base_venvs
       - asgi: *requires_base_venvs
+      - aws_lambda: *requires_base_venvs
       - benchmarks: *requires_base_venvs
       - boto: *requires_base_venvs
       - bottle: *requires_base_venvs

tests/contrib/aws_lambda/test_aws_lambda.py

@@ -71,7 +71,7 @@ def test_continue_on_early_trace_ending(context):
 
     patch()
 
-    datadog(finishing_spans_early_handler)({}, context())
+    datadog(finishing_spans_early_handler)({}, context)
 
 
 @pytest.mark.snapshot