test: execute assertion.sh instead of sourcing it

The `assertion.sh` files do not need to access from `test-init.sh`. So
execute `assertion.sh` instead of sourcing it.

diff --git a/test/modules.d/70test-root/test-init.sh b/test/modules.d/70test-root/test-init.sh
index 2ea5c1a28c8f0da5b54561e759e6373d84298e0d..02ce762414ec4477fdb3fc2a19e2895efe28e3e4 100755 (executable)
--- a/test/modules.d/70test-root/test-init.sh
+++ b/test/modules.d/70test-root/test-init.sh
@@ -43,7 +43,7 @@ fi
 
 # run the test case specific test assertion if exists
 if [ -x "/assertion.sh" ]; then
-    . /assertion.sh
+    /assertion.sh
 fi
 
 if [ -s /run/failed ]; then