Removed one more utils reference in the README and fixed directory name

Signed-off-by: Carlo Costino <carlo.costino@gsa.gov>

tests/notifications_utils/test_logging.py

@@ -0,0 +1,51 @@
+import json
+import logging as builtin_logging
+
+from notifications_utils import logging
+
+
+def test_get_handlers_sets_up_logging_appropriately_with_debug():
+    class App:
+        config = {"NOTIFY_APP_NAME": "bar", "NOTIFY_LOG_LEVEL": "ERROR"}
+        debug = True
+
+    app = App()
+
+    handlers = logging.get_handlers(app)
+
+    assert len(handlers) == 1
+    assert isinstance(handlers[0], builtin_logging.StreamHandler)
+    assert isinstance(handlers[0].formatter, builtin_logging.Formatter)
+
+
+def test_get_handlers_sets_up_logging_appropriately_without_debug():
+    class App:
+        config = {"NOTIFY_APP_NAME": "bar", "NOTIFY_LOG_LEVEL": "ERROR"}
+        debug = False
+
+    app = App()
+
+    handlers = logging.get_handlers(app)
+
+    assert len(handlers) == 1
+    assert isinstance(handlers[0], builtin_logging.StreamHandler)
+    assert isinstance(handlers[0].formatter, logging.JSONFormatter)
+
+
+def test_base_json_formatter_contains_service_id():
+    record = builtin_logging.LogRecord(
+        name="log thing",
+        level="info",
+        pathname="path",
+        lineno=123,
+        msg="message to log",
+        exc_info=None,
+        args=None,
+    )
+
+    service_id_filter = logging.ServiceIdFilter()
+    assert (
+        json.loads(logging.BaseJSONFormatter().format(record))["message"]
+        == "message to log"
+    )
+    assert service_id_filter.filter(record).service_id == "notify-admin"