fix pymssql entry_point for auto-instrumentation (#3214)

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>
Co-authored-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>

instrumentation/opentelemetry-instrumentation-pymssql/pyproject.toml

@@ -37,7 +37,7 @@ instruments = [
 ]
 
 [project.entry-points.opentelemetry_instrumentor]
-pymssql = "opentelemetry.instrumentation.pymssql:pymssqlInstrumentor"
+pymssql = "opentelemetry.instrumentation.pymssql:PyMSSQLInstrumentor"
 
 [project.urls]
 Homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib/tree/main/instrumentation/opentelemetry-instrumentation-pymssql"

instrumentation/opentelemetry-instrumentation-pymssql/tests/test_pymssql_integration.py

@@ -20,6 +20,7 @@ import opentelemetry.instrumentation.pymssql
 from opentelemetry.instrumentation.pymssql import PyMSSQLInstrumentor
 from opentelemetry.sdk import resources
 from opentelemetry.test.test_base import TestBase
+from opentelemetry.util._importlib_metadata import entry_points
 
 
 def mock_connect(*args, **kwargs):
@@ -182,3 +183,15 @@ class TestPyMSSQLIntegration(TestBase):
 
         spans_list = self.memory_exporter.get_finished_spans()
         self.assertEqual(len(spans_list), 1)
+
+    def test_load_entry_point(self):
+        self.assertIs(
+            next(
+                iter(
+                    entry_points(
+                        group="opentelemetry_instrumentor", name="pymssql"
+                    )
+                )
+            ).load(),
+            PyMSSQLInstrumentor,
+        )