chroe: updated the tox.ini test commands

Author: changemyminds

tox.ini

@@ -486,6 +486,7 @@ commands =
   test-instrumentation-sqlite3: pytest {toxinidir}/instrumentation/opentelemetry-instrumentation-sqlite3/tests {posargs}
   test-instrumentation-starlette: pytest {toxinidir}/instrumentation/opentelemetry-instrumentation-starlette/tests {posargs}
   test-instrumentation-system-metrics: pytest {toxinidir}/instrumentation/opentelemetry-instrumentation-system-metrics/tests {posargs}
+  test-instrumentation-threading: pytest {toxinidir}/instrumentation/opentelemetry-instrumentation-threading/tests {posargs}
   test-instrumentation-tornado: pytest {toxinidir}/instrumentation/opentelemetry-instrumentation-tornado/tests {posargs}
   test-instrumentation-tortoiseorm: pytest {toxinidir}/instrumentation/opentelemetry-instrumentation-tortoiseorm/tests {posargs}
   test-instrumentation-wsgi: pytest {toxinidir}/instrumentation/opentelemetry-instrumentation-wsgi/tests {posargs}