Update generator templates to use CDK. (#3316)

* Update singer template.
* Update source python.
* Update http python.
* Fix a bug where the template tests were not previously running.

airbyte-integrations/connectors/source-scaffold-source-python/setup.py

@@ -23,12 +23,24 @@
 
 from setuptools import find_packages, setup
 
+MAIN_REQUIREMENTS = [
+    "airbyte-cdk",
+]
+
+TEST_REQUIREMENTS = [
+    "pytest~=6.1",
+    "source-acceptance-test",
+]
+
 setup(
     name="source_scaffold_source_python",
     description="Source implementation for Scaffold Source Python.",
     author="Airbyte",
     author_email="contact@airbyte.io",
     packages=find_packages(),
-    install_requires=["airbyte-protocol", "base-python", "pytest==6.1.2"],
+    install_requires=MAIN_REQUIREMENTS,
     package_data={"": ["*.json"]},
+    extras_require={
+        "tests": TEST_REQUIREMENTS,
+    },
 )