test: rename assert_matches_exactly -> assert_full_match

More precise, needed in a later commit.

test/scenarios/lib.py

@@ -9,7 +9,7 @@ def assert_matches(cmd, regexp):
         raise Exception(f"Pattern '{regexp}' not found in '{out}'")
 
 
-def assert_matches_exactly(cmd, regexp):
+def assert_full_match(cmd, regexp):
     out = succeed(cmd)
     if not re.fullmatch(regexp, out):
         raise Exception(f"Pattern '{regexp}' doesn't match '{out}'")

test/scenarios/withnetns.py

@@ -84,7 +84,7 @@ def prestop():
     machine.fail("netns-exec nb-electrs ip a")
 
     # test that netns-exec drops capabilities
-    assert_matches_exactly(
+    assert_full_match(
         "su operator -c 'netns-exec nb-bitcoind capsh --print | grep Current '", "Current: =\n"
     )