Update example for "seleniumbase mkdir [DIR_NAME]"

Author: mdmintz

console_scripts/ReadMe.md

@@ -25,7 +25,7 @@ Installs the specified webdriver.
 ``seleniumbase mkdir [DIRECTORY_NAME]``
 
 * Example:
-``seleniumbase mkdir gui_tests``
+``seleniumbase mkdir browser_tests``
 
 * Output:
 Creates a new folder for running SeleniumBase scripts.

console_scripts/run.py

@@ -6,7 +6,7 @@
 
 Examples:
 seleniumbase install chromedriver
-seleniumbase mkdir gui_tests
+seleniumbase mkdir browser_tests
 seleniumbase convert my_old_webdriver_unittest.py
 seleniumbase grid-hub start
 seleniumbase grid-node start --hub=127.0.0.1
@@ -67,7 +67,7 @@ def show_mkdir_usage():
     print("  Usage:")
     print("            seleniumbase mkdir [DIRECTORY_NAME]")
     print("  Example:")
-    print("            seleniumbase mkdir gui_tests")
+    print("            seleniumbase mkdir browser_tests")
     print("  Output:")
     print("            Creates a new folder for running SeleniumBase scripts.")
     print("            The new folder contains default config files,")

console_scripts/sb_mkdir.py

@@ -21,7 +21,7 @@ def invalid_run_command():
     exp += "  Usage:\n"
     exp += "          seleniumbase mkdir [DIRECTORY_NAME]\n"
     exp += "  Example:\n"
-    exp += "          seleniumbase mkdir gui_tests\n"
+    exp += "          seleniumbase mkdir browser_tests\n"
     exp += "  Output:\n"
     exp += "          Creates a new folder for running SeleniumBase scripts.\n"
     exp += "          The new folder contains default config files,\n"