Resolve SW-828

Closes SW-828

LCS/PyCommon/test/CMakeLists.txt

 # $Id$
 
-include(LofarCTest)
-
-file(COPY
-  ${CMAKE_CURRENT_SOURCE_DIR}/python-coverage.sh
-  DESTINATION ${CMAKE_BINARY_DIR}/bin)
-
-lofar_add_test(t_cache)
-lofar_add_test(t_dbcredentials)
-lofar_add_test(t_defaultmailaddresses)
-lofar_add_test(t_methodtrigger)
-lofar_add_test(t_util)
-lofar_add_test(t_test_utils)
-lofar_add_test(t_cep4_utils)
-lofar_add_test(t_postgres)
+IF(BUILD_TESTING)
+    lofar_find_package(Python 3.4 REQUIRED)
+
+    include(PythonInstall)
+
+    set(_py_files
+      postgres.py)
+
+    python_install(${_py_files} DESTINATION lofar/common/testing)
+
+    include(FindPythonModule)
+    find_python_module(testing.postgresql)
+
+    include(LofarCTest)
+
+    file(COPY
+      ${CMAKE_CURRENT_SOURCE_DIR}/python-coverage.sh
+      DESTINATION ${CMAKE_BINARY_DIR}/bin)
+
+    lofar_add_test(t_cache)
+    lofar_add_test(t_dbcredentials)
+    lofar_add_test(t_defaultmailaddresses)
+    lofar_add_test(t_methodtrigger)
+    lofar_add_test(t_util)
+    lofar_add_test(t_test_utils)
+    lofar_add_test(t_cep4_utils)
+    lofar_add_test(t_postgres)
+ENDIF()
\ No newline at end of file