diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a4135111dec98013b38323ed3f91d5b24ffcc0b6..8e9716b5681efdb75d887c03f72bfcb767794c31 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -62,8 +62,7 @@ test:
     - mkdir build
     - cd build
     - cmake -DCMAKE_BUILD_TYPE=Debug ..
-    - cmake --build .
-    - ctest
+    - cmake --build . --target unit_test_coverage
 
 # Build the sphinx documentation and make it ready for deployment by Gitlab Pages
 # Special job for serving a static website. See https://docs.gitlab.com/ee/ci/yaml/README.html#pages
diff --git a/include/connection.h b/include/connection.h
index 8d11db65bdfe6c9e8805ad3f1dcac31600285261..e32dfcf5033142aea567e7cfa2386ff2bc33511e 100644
--- a/include/connection.h
+++ b/include/connection.h
@@ -8,13 +8,14 @@
  */
 #include <string>
 
+namespace caosdb {
+
 /**
  * @brief Configure the connection.
  * @param host Host name or ip address of the CaosDB server.
  * @param port Port of the CaosDB server.
  * @return 0 if everything is ok.
  */
-namespace caosdb {
 auto configure_connection(const std::string &host, int port) -> int;
 } // namespace caosdb
 #endif
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 31c3d5ab530243c6db5503bd25c61f31bafe5cc7..7790f3b61fb67686705501a58b16b6fc6fd8ab35 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -10,6 +10,7 @@ include(GoogleTest)
 set_target_properties(gtest PROPERTIES CXX_CLANG_TIDY "" CXX_INCLUDE_WHAT_YOU_USE "")
 set_target_properties(gtest_main PROPERTIES CXX_CLANG_TIDY "" CXX_INCLUDE_WHAT_YOU_USE "")
 set_target_properties(gmock PROPERTIES CXX_CLANG_TIDY "" CXX_INCLUDE_WHAT_YOU_USE "")
+set_target_properties(gmock_main PROPERTIES CXX_CLANG_TIDY "" CXX_INCLUDE_WHAT_YOU_USE "")
 
 list(LENGTH test_cases len_test_cases)
 math(EXPR len_test_cases "${len_test_cases} - 1")