parallel mode of run & environment variable set

Author: nareshnavinash

.coverage

@@ -12,4 +12,10 @@ pip3 install -r requirements.txt
 pytest
 ```
 
+# Environment variable
+```BROWSER=chrome pytest```
+
+# Parallel run
+```BROWSER=chrome pytest -s -v -n=2```
+
 

README.md

@@ -1,5 +1,6 @@
 import pytest
 import allure
+import os
 from Library.driver import Driver
 from Pages.google import GooglePage
 
@@ -9,6 +10,7 @@
 @allure.severity('Critical')
 def test_google_search():
     with allure.step("first step"):
+        print(os.environ['BROWSER'])
         d = Driver("chrome")
         d.get("https://www.google.com")
         print("landed in google home page")