Enable logger in UMF tests

Author: kswiecicki

test/CMakeLists.txt

@@ -75,6 +75,10 @@ function(add_umf_test)
         COMMAND ${TEST_TARGET_NAME}
         WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
+    set_property(
+        TEST ${TEST_NAME}
+        PROPERTY ENVIRONMENT "UMF_LOG=level:debug\;flush:debug\;output:stdout")
+
     set_tests_properties(${TEST_NAME} PROPERTIES LABELS "umf")
 
     if(WINDOWS)