netns test: update matching of 'capsh' output

The output now contains multiple lines.
2021-08-05 00:49:11 +02:00 · 2021-08-05 00:49:11 +02:00 · 7c876664b1
commit 7c876664b1
parent 308a11f22b
1 changed files with 2 additions and 2 deletions
--- a/test/tests.py
+++ b/test/tests.py
@ -271,9 +271,9 @@ def _():

    if "joinmarket" in enabled_tests:
        # netns-exec should drop capabilities
-        assert_full_match(
+        assert_matches(
            "runuser -u operator -- netns-exec nb-joinmarket capsh --print | grep Current",
-            "Current: =\n",
+            re.compile("^Current: =$", re.MULTILINE),
        )

    if "clightning" in enabled_tests: