diff --git a/tests/unit/confidant/routes/certificates_test.py b/tests/unit/confidant/routes/certificates_test.py
index fd8d805a..2ccd6761 100644
--- a/tests/unit/confidant/routes/certificates_test.py
+++ b/tests/unit/confidant/routes/certificates_test.py
@@ -13,251 +13,251 @@
 def test_get_certificate(mocker: MockerFixture):
     app = create_app()
 
-    mocker.patch("confidant.settings.USE_AUTH", False)
+    mocker.patch('confidant.settings.USE_AUTH', False)
     mocker.patch(
-        "confidant.authnz.get_logged_in_user",
-        return_value="badservice",
+        'confidant.authnz.get_logged_in_user',
+        return_value='badservice',
     )
     mocker.patch(
-        "confidant.routes.certificates.authnz.user_is_user_type",
+        'confidant.routes.certificates.authnz.user_is_user_type',
         return_value=True,
     )
     mocker.patch(
-        "confidant.routes.certificates.authnz.user_is_service",
+        'confidant.routes.certificates.authnz.user_is_service',
         return_value=False,
     )
     ret = app.test_client().get(
-        "/v1/certificates/development/test.example.com",
+        '/v1/certificates/development/test.example.com',
         follow_redirects=False,
     )
     assert ret.status_code == 403
 
     mocker.patch(
-        "confidant.routes.certificates.authnz.user_is_user_type",
+        'confidant.routes.certificates.authnz.user_is_user_type',
         return_value=False,
     )
     mocker.patch(
-        "confidant.routes.certificates.authnz.get_logged_in_user",
-        return_value="test@example.com",
+        'confidant.routes.certificates.authnz.get_logged_in_user',
+        return_value='test@example.com',
     )
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=False,
     )
     ret = app.test_client().get(
-        "/v1/certificates/development/test.example.com",
+        '/v1/certificates/development/test.example.com',
         follow_redirects=False,
     )
     assert ret.status_code == 403
 
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=True,
     )
-    mocker.patch("confidant.authnz.get_logged_in_user", return_value="test")
-    ca_object = ACMPrivateCertificateAuthority("development")
+    mocker.patch('confidant.authnz.get_logged_in_user', return_value='test')
+    ca_object = ACMPrivateCertificateAuthority('development')
     mocker.patch(
-        ("confidant.routes.certificates.certificatemanager.get_ca"),
+        ('confidant.routes.certificates.certificatemanager.get_ca'),
         return_value=ca_object,
     )
     issue_certificate_with_key_return_value = {
-        "certificate": "test_certificate",
-        "certificate_chain": "test_certificate_chain",
-        "key": "test_key",
+        'certificate': 'test_certificate',
+        'certificate_chain': 'test_certificate_chain',
+        'key': 'test_key',
     }
     mocker.patch(
-        "confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.issue_certificate_with_key",  # noqa: E501
+        'confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.issue_certificate_with_key',  # noqa: E501
         return_value=issue_certificate_with_key_return_value,
     )
     ret = app.test_client().get(
-        "/v1/certificates/development/test.example.com",
+        '/v1/certificates/development/test.example.com',
         follow_redirects=False,
     )
     json_data = json.loads(ret.data)
     assert ret.status_code == 200
     assert json_data == {
-        "certificate": "test_certificate",
-        "certificate_chain": "test_certificate_chain",
-        "key": "test_key",
+        'certificate': 'test_certificate',
+        'certificate_chain': 'test_certificate_chain',
+        'key': 'test_key',
     }
     mocker.patch(
-        "confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.issue_certificate_with_key",  # noqa: E501
+        'confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.issue_certificate_with_key',  # noqa: E501
         side_effect=CertificateNotReadyError(),
     )
     ret = app.test_client().get(
-        "/v1/certificates/development/test.example.com",
+        '/v1/certificates/development/test.example.com',
         follow_redirects=False,
     )
     assert ret.status_code == 429
-    assert ret.headers["Retry-After"] == "2"
+    assert ret.headers['Retry-After'] == '2'
 
 
 def test_get_certificate_from_csr(mocker: MockerFixture):
-    ca_object = ACMPrivateCertificateAuthority("development")
+    ca_object = ACMPrivateCertificateAuthority('development')
     key = ca_object.generate_key()
-    csr = ca_object.generate_csr(key, "test.example.com")
+    csr = ca_object.generate_csr(key, 'test.example.com')
     pem_csr = ca_object.encode_csr(csr)
 
     app = create_app()
 
-    mocker.patch("confidant.settings.USE_AUTH", False)
+    mocker.patch('confidant.settings.USE_AUTH', False)
     ret = app.test_client().post(
-        "/v1/certificates/development",
+        '/v1/certificates/development',
         data=json.dumps({}),
-        content_type="application/json",
+        content_type='application/json',
         follow_redirects=False,
     )
     assert ret.status_code == 400
 
     ret = app.test_client().post(
-        "/v1/certificates/development",
-        data=json.dumps({"validity": 7}),
-        content_type="application/json",
+        '/v1/certificates/development',
+        data=json.dumps({'validity': 7}),
+        content_type='application/json',
         follow_redirects=False,
     )
     assert ret.status_code == 400
 
     mocker.patch(
-        ("confidant.routes.certificates.certificatemanager.get_ca"),
+        ('confidant.routes.certificates.certificatemanager.get_ca'),
         return_value=ca_object,
     )
     ret = app.test_client().post(
-        "/v1/certificates/development",
-        data=json.dumps({"csr": "invalid_csr"}),
-        content_type="application/json",
+        '/v1/certificates/development',
+        data=json.dumps({'csr': 'invalid_csr'}),
+        content_type='application/json',
         follow_redirects=False,
     )
     assert ret.status_code == 400
 
     mocker.patch(
-        "confidant.routes.certificates.authnz.user_is_user_type",
+        'confidant.routes.certificates.authnz.user_is_user_type',
         return_value=True,
     )
     mocker.patch(
-        "confidant.routes.certificates.authnz.user_is_service",
+        'confidant.routes.certificates.authnz.user_is_service',
         return_value=False,
     )
     mocker.patch(
-        "confidant.routes.certificates.authnz.get_logged_in_user",
-        return_value="badservice",
+        'confidant.routes.certificates.authnz.get_logged_in_user',
+        return_value='badservice',
     )
     ret = app.test_client().post(
-        "/v1/certificates/development",
+        '/v1/certificates/development',
         data=json.dumps(
             {
-                "csr": pem_csr,
-                "validity": 7,
+                'csr': pem_csr,
+                'validity': 7,
             }
         ),
-        content_type="application/json",
+        content_type='application/json',
         follow_redirects=False,
     )
     assert ret.status_code == 403
 
     mocker.patch(
-        "confidant.routes.certificates.authnz.user_is_user_type",
+        'confidant.routes.certificates.authnz.user_is_user_type',
         return_value=False,
     )
     mocker.patch(
-        "confidant.routes.certificates.authnz.get_logged_in_user",
-        return_value="test@example.com",
+        'confidant.routes.certificates.authnz.get_logged_in_user',
+        return_value='test@example.com',
     )
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=False,
     )
     ret = app.test_client().post(
-        "/v1/certificates/development",
+        '/v1/certificates/development',
         data=json.dumps(
             {
-                "csr": pem_csr,
-                "validity": 7,
+                'csr': pem_csr,
+                'validity': 7,
             }
         ),
-        content_type="application/json",
+        content_type='application/json',
         follow_redirects=False,
     )
     assert ret.status_code == 403
 
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=True,
     )
     mocker.patch(
-        ("confidant.routes.certificates.certificatemanager.get_ca"),
+        ('confidant.routes.certificates.certificatemanager.get_ca'),
         return_value=ca_object,
     )
     mocker.patch(
-        "confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.issue_certificate",  # noqa: E501
+        'confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.issue_certificate',  # noqa: E501
         return_value={
-            "certificate": "test_certificate",
-            "certificate_chain": "test_certificate_chain",
+            'certificate': 'test_certificate',
+            'certificate_chain': 'test_certificate_chain',
         },
     )
     ret = app.test_client().post(
-        "/v1/certificates/development",
+        '/v1/certificates/development',
         data=json.dumps(
             {
-                "csr": pem_csr,
-                "validity": 7,
+                'csr': pem_csr,
+                'validity': 7,
             }
         ),
-        content_type="application/json",
+        content_type='application/json',
         follow_redirects=False,
     )
     json_data = json.loads(ret.data)
     assert ret.status_code == 200
     assert json_data == {
-        "certificate": "test_certificate",
-        "certificate_chain": "test_certificate_chain",
+        'certificate': 'test_certificate',
+        'certificate_chain': 'test_certificate_chain',
     }
 
 
 def test_list_cas(mocker: MockerFixture):
     app = create_app()
 
-    mocker.patch("confidant.settings.USE_AUTH", False)
+    mocker.patch('confidant.settings.USE_AUTH', False)
     mocker.patch(
-        "confidant.routes.certificates.authnz.get_logged_in_user",
-        return_value="test@example.com",
+        'confidant.routes.certificates.authnz.get_logged_in_user',
+        return_value='test@example.com',
     )
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=False,
     )
     ret = app.test_client().get(
-        "/v1/cas",
+        '/v1/cas',
         follow_redirects=False,
     )
     assert ret.status_code == 403
 
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=True,
     )
-    mocker.patch("confidant.authnz.get_logged_in_user", return_value="test")
+    mocker.patch('confidant.authnz.get_logged_in_user', return_value='test')
     cas = [
         {
-            "ca": "development",
-            "certificate": "test_certificate",
-            "certificate_chain": "test_certificate_chain",
-            "tags": {"environment": "development"},
+            'ca': 'development',
+            'certificate': 'test_certificate',
+            'certificate_chain': 'test_certificate_chain',
+            'tags': {'environment': 'development'},
         }
     ]
     mocker.patch(
-        ("confidant.routes.certificates.certificatemanager.list_cas"),
+        ('confidant.routes.certificates.certificatemanager.list_cas'),
         return_value=cas,
     )
-    ret = app.test_client().get("/v1/cas", follow_redirects=False)
+    ret = app.test_client().get('/v1/cas', follow_redirects=False)
     json_data = json.loads(ret.data)
     assert ret.status_code == 200
     assert json_data == {
-        "cas": [
+        'cas': [
             {
-                "ca": "development",
-                "certificate": "test_certificate",
-                "certificate_chain": "test_certificate_chain",
-                "tags": {"environment": "development"},
+                'ca': 'development',
+                'certificate': 'test_certificate',
+                'certificate_chain': 'test_certificate_chain',
+                'tags': {'environment': 'development'},
             }
         ],
     }
@@ -266,46 +266,46 @@ def test_list_cas(mocker: MockerFixture):
 def test_get_ca(mocker: MockerFixture):
     app = create_app()
 
-    mocker.patch("confidant.settings.USE_AUTH", False)
+    mocker.patch('confidant.settings.USE_AUTH', False)
     mocker.patch(
-        "confidant.routes.certificates.authnz.get_logged_in_user",
-        return_value="test@example.com",
+        'confidant.routes.certificates.authnz.get_logged_in_user',
+        return_value='test@example.com',
     )
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=False,
     )
     ret = app.test_client().get(
-        "/v1/cas",
+        '/v1/cas',
         follow_redirects=False,
     )
     assert ret.status_code == 403
 
     mocker.patch(
-        "confidant.routes.certificates.acl_module_check",
+        'confidant.routes.certificates.acl_module_check',
         return_value=True,
     )
-    mocker.patch("confidant.authnz.get_logged_in_user", return_value="test")
-    ca_object = ACMPrivateCertificateAuthority("development")
+    mocker.patch('confidant.authnz.get_logged_in_user', return_value='test')
+    ca_object = ACMPrivateCertificateAuthority('development')
     mocker.patch(
-        ("confidant.routes.certificates.certificatemanager.get_ca"),
+        ('confidant.routes.certificates.certificatemanager.get_ca'),
         return_value=ca_object,
     )
     mocker.patch(
-        "confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.get_certificate_authority_certificate",  # noqa: E501
+        'confidant.services.certificate_authority.acmpca.ACMPrivateCertificateAuthority.get_certificate_authority_certificate',  # noqa: E501
         return_value={
-            "ca": "development",
-            "certificate": "test_certificate",
-            "certificate_chain": "test_certificate_chain",
-            "tags": {"environment": "development"},
+            'ca': 'development',
+            'certificate': 'test_certificate',
+            'certificate_chain': 'test_certificate_chain',
+            'tags': {'environment': 'development'},
         },
     )
-    ret = app.test_client().get("/v1/cas/development", follow_redirects=False)
+    ret = app.test_client().get('/v1/cas/development', follow_redirects=False)
     json_data = json.loads(ret.data)
     assert ret.status_code == 200
     assert json_data == {
-        "ca": "development",
-        "certificate": "test_certificate",
-        "certificate_chain": "test_certificate_chain",
-        "tags": {"environment": "development"},
+        'ca': 'development',
+        'certificate': 'test_certificate',
+        'certificate_chain': 'test_certificate_chain',
+        'tags': {'environment': 'development'},
     }