face: Refactored code to set interest filter

Change-Id: I1f9637a79c03a9e24608403d963bbfc4d9bcab1c
diff --git a/tests/wscript b/tests/wscript
index 4fbfb4a..8a5de6e 100644
--- a/tests/wscript
+++ b/tests/wscript
@@ -21,5 +21,5 @@
     unittests.source += bld.path.ant_glob('**/*-sqlite3.cpp')
 
     if bld.env['WITH_PCH']:
-        unittests.pch = "../src/common.hpp"
+        unittests.pch = "test-all.hpp"