Update the docs

Author: mdmintz

README.md

@@ -215,6 +215,9 @@ SeleniumBase provides additional Pytest command-line options for tests:
 --settings-file=FILE  # (Overrides SeleniumBase settings.py values.)
 --env=ENV  # (Set a test environment. Use "self.env" to use this in tests.)
 --data=DATA  # (Extra data to pass to tests. Use "self.data" in tests.)
+--var1=DATA  # (Extra data to pass to tests. Use "self.var1" in tests.)
+--var2=DATA  # (Extra data to pass to tests. Use "self.var2" in tests.)
+--var3=DATA  # (Extra data to pass to tests. Use "self.var3" in tests.)
 --user-data-dir=DIR  # (Set the Chrome user data directory to use.)
 --server=SERVER  # (The server / IP address used by the tests.)
 --port=PORT  # (The port that's used by the test server.)

help_docs/customizing_test_runs.md

@@ -88,6 +88,9 @@ SeleniumBase provides additional Pytest command-line options for tests:
 --settings-file=FILE  # (Overrides SeleniumBase settings.py values.)
 --env=ENV  # (Set a test environment. Use "self.env" to use this in tests.)
 --data=DATA  # (Extra data to pass to tests. Use "self.data" in tests.)
+--var1=DATA  # (Extra data to pass to tests. Use "self.var1" in tests.)
+--var2=DATA  # (Extra data to pass to tests. Use "self.var2" in tests.)
+--var3=DATA  # (Extra data to pass to tests. Use "self.var3" in tests.)
 --user-data-dir=DIR  # (Set the Chrome user data directory to use.)
 --server=SERVER  # (The server / IP address used by the tests.)
 --port=PORT  # (The port that's used by the test server.)