"Now little ones cafe"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2025-01-21T15:15:53Z
POI name: Testraum Berlin
POI types: healthcare-laboratory
#organicmaps android

Unable to answer "Is this still here?" – Praxis Dr. Emma Bernhardt (Dentist) – node/2774802409 via StreetComplete 61.0:

Not clear where this used to be so I can't tell what's there now, but there are no signs anywhere at the building or neighboring buildings indicating a dentist office, also their website is down and their Jameda page was deleted

Unable to answer "What are the opening hours here?" – Nadeshda e.V. (NGO Office) – node/4533857103 via StreetComplete 61.0:

There are several other offices' signs outside but none of Nadeshda e.V. and according to their website they're at a completely different address.

Unable to answer "Are these opening hours still correct?" – Kong (Chinese Restaurant) – node/10048738548 via StreetComplete 61.0:

Currently being renovated so there's no opening hours sign ATM

Unable to answer "What are the opening hours here?" – The Senses (Restaurant) – node/365099975 via StreetComplete 61.0:

No opening hours sign and it's currently being renovated, so possibly a different restaurant will open here.

Unable to answer "What are the opening hours here?" – SHAMM (Restaurant) – node/3933415372 via StreetComplete 61.0:

No opening hours sign and also the place is now called "Mr. Krabs"

Unable to answer "Are these opening hours still correct?" – Kunstform (Bicycle Shop) – node/10177890913 via StreetComplete 60.2:

Store closed on march 14th 2025

Unable to answer "What diameter is specified on the sign for this fire hydrant?" for node/9761826572 via StreetComplete 49.2:

Innerhalb der Baustelle, kein Schild

Unable to answer "Is this still here?" – Studioansage (Studio) – node/1211832974 via StreetComplete 58.2:

Looks like housing and a bureau of the Green Party now

Unable to answer "What are the opening hours here?" – GLS-Paketshop (Post Office) – node/11668589605 via StreetComplete 58.2:

There does not seem to be a GLS shop there