Google has confirmed it is testing allowing showing the same ad, from the same advertiser, on the same search results page. Ginny Marvin, the Google Ads Liaison said, "We're conducting a small experiment testing different ad configurations" in regards to this test being spotted.

Google has confirmed it is testing allowing showing the same ad, from the same advertiser, on the same search results page. Ginny Marvin, the Google Ads Liaison said, “We’re conducting a small experiment testing different ad configurations” in regards to this test being spotted.