diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2370f80dc8595d6828bb661edc6c4bc14322daf5..880a2b38be1ff1e0ac577b45232503d19be5f3f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -100,6 +100,7 @@ test:
   script:
     - .docker/install_cpplib.sh
     - export LD_LIBRARY_PATH=/root/.local/lib:$LD_LIBRARY_PATH
+    - export CAOSDB_CLIENT_CONFIGURATION=$(pwd)/.docker/caosdb_client.json
     # Let's run the tests. Substitute `coverage = false` below, if you
     # do not want coverage results.
     - julia -e 'using Pkg; Pkg.add(path=pwd());
diff --git a/src/CaosDB.jl b/src/CaosDB.jl
index 906400025ea1e789254dcb8539c1600be3aebf1a..2c7bcd357b715cf8be37534e7fd5ca39a8b21f7a 100644
--- a/src/CaosDB.jl
+++ b/src/CaosDB.jl
@@ -216,4 +216,6 @@ include("Connection.jl")
 
 module Entity end
 
+module Transaction end
+
 end # CaosDB