Looking on the internet deeply has found these results:

it is a is the most popular phrase on the web.

it has been tested 1617,000 results on the web	it is a 1199,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
... falsification during experiment. Astrology provides the quintessential example of a pseudoscience since it has been tested repeatedly and failed all the tests. It has been tested and scrutinised for over 150 years, and is supported by all the relevant observations. Next time someone tries to tell you that evolution is just a ... (2) The owner of a lifting appliance other than a crane, crab or winch shall ensure that it is not used unless it has been tested and thoroughly examined by a ... I guess there's nothing wrong with having a warning about the plugin's status whether it has been tested with the current version. I am not sure though how the ...	“It Is a Mystery” is a pixel sprite image of a ghost with the phrase written next to it. Originally found in an image submitted to Something Awful in 2005, the emote ... Apr 27, 2011 ... it is a mystery. PIFTSdotexe ... it is a mystery (Happy H. Christmas Symphonic Metal Cover) it is a mystery. Your browser does not support the audio element. Duration: 2:45. by StringStorm 24,634 views. 2:45. It is a story of being trapped, of compromising, of watching others move ahead and away, of becoming so filled with rage that you verbally abuse your children, ...

it has been tested

1617,000 results on the web

it is a

1199,000,000 results on the web

More popular!

... falsification during experiment. Astrology provides the quintessential example of a pseudoscience since it has been tested repeatedly and failed all the tests.
It has been tested and scrutinised for over 150 years, and is supported by all the relevant observations. Next time someone tries to tell you that evolution is just a ...
(2) The owner of a lifting appliance other than a crane, crab or winch shall ensure that it is not used unless it has been tested and thoroughly examined by a ...
I guess there's nothing wrong with having a warning about the plugin's status whether it has been tested with the current version. I am not sure though how the ...

“It Is a Mystery” is a pixel sprite image of a ghost with the phrase written next to it. Originally found in an image submitted to Something Awful in 2005, the emote ...
Apr 27, 2011 ... it is a mystery. PIFTSdotexe ... it is a mystery (Happy H. Christmas Symphonic Metal Cover)
it is a mystery. Your browser does not support the audio element.
Duration: 2:45. by StringStorm 24,634 views. 2:45.
It is a story of being trapped, of compromising, of watching others move ahead and away, of becoming so filled with rage that you verbally abuse your children, ...