20 add popups handling

[JelenaRy]

• Added 2 functions to Helpers class to handle popups
• Added tests to helpers.test.js
• Updated Element class to contain page property (uses global page by default)
• Updated Interceptor class to contain page property (uses global page by default)
• Updated tests in interceptor.test.js to use added page property
• Updated selector in one of tests in elementActions.test.js

[vaidasmaciulis]

Please merge latest master to branch

[vaidasmaciulis]

3 tests are failing in interceptor suite:

  Interceptor
    √ should block requests by any url fragment using Regex pattern while test case running (7423 ms)
    √ should block requests by any url fragment using Glob pattern after abort method is used (3831 ms)
    √ should block request by any url fragment after action (3455 ms)
    × should block any request after action (30176 ms)
    √ should count all requests (368 ms)
    × should detect specific response after action (30182 ms)
    × should detect any request after action (3 ms)

[vaidasmaciulis]

There are two lint issues:
C:\source\test-juggler\example\tests\helpers.test.js
107:1 error Mixed spaces and tabs no-mixed-spaces-and-tabs
122:1 error Mixed spaces and tabs no-mixed-spaces-and-tabs

✖ 2 problems (2 errors, 0 warnings)