Update test_requirements.txt

Author: vikas0203

requirements/extras/test_requirements.txt

@@ -12,7 +12,7 @@ awslogs==0.14.0
 black==22.3.0
 stopit==1.1.2
 # Update tox.ini to have correct version of airflow constraints file
-apache-airflow==2.5.2
+apache-airflow<=2.5.2
 apache-airflow-providers-amazon==7.2.1
 attrs==22.1.0
 fabric==2.6.0