t5616: mark tests as bogus with --path-walk

These two tests in t5616-partial-clone.sh are actually already broken
and there are comments supporting that. Those comments were focused on
the GIT_TEST_FULL_NAME_HASH variable, but they also apply to this one.
We will want to avoid issues here.

Signed-off-by: Derrick Stolee <[email protected]>

Author: derrickstolee

t/t5616-partial-clone.sh

@@ -526,6 +526,7 @@ test_expect_success 'fetch lazy-fetches only to resolve deltas' '
 	# used as delta bases!
 	GIT_TRACE_PACKET="$(pwd)/trace" \
 	GIT_TEST_FULL_NAME_HASH=0 \
+	GIT_TEST_PACK_PATH_WALK=0 \
 		git -C client \
 		fetch "file://$(pwd)/server" main &&
 
@@ -556,6 +557,7 @@ test_expect_success 'fetch lazy-fetches only to resolve deltas, protocol v2' '
 	# used as delta bases!
 	GIT_TRACE_PACKET="$(pwd)/trace" \
 	GIT_TEST_FULL_NAME_HASH=0 \
+	GIT_TEST_PACK_PATH_WALK=0 \
 		git -C client \
 		fetch "file://$(pwd)/server" main &&