Add basic TestApp to the new testsuite (keycloak#37815)

Closes keycloak#37814

Signed-off-by: stianst <stianst@gmail.com>

Set version to 26.1.3

Set version to 26.0.10

Signed-off-by: stianst <stianst@gmail.com>

Set version to 24.0.10

Signed-off-by: stianst <stianst@gmail.com>

Set version to 26.1.2

Set version to 26.1.1

Set version to 26.0.9

Signed-off-by: stianst <stianst@gmail.com>

Set version to 26.1.0

Set version to 26.0.8

Set version to 26.0.7