Fix: Separate normal renderer output from diagnostics

tests/test_adaptive_cli.py

@@ -130,9 +130,9 @@ def endpoint_deviation(a, b):
     return mismatches, worst
 
 
-def trace_cost(stderr, label):
+def trace_cost(text, label):
     match = re.search(label + r' trace cost: accepted=(\d+) rejected=(\d+) '
-                              r'rhs=(\d+)', stderr)
+                              r'rhs=(\d+)', text)
     return None if match is None else match.groups()
 
 
@@ -263,8 +263,8 @@ with tempfile.TemporaryDirectory(prefix='gr-adaptive-cli-',
             replay_hdr = replay_out.with_name(replay_out.stem + '_HDR.fits')
             assert dflt_out.with_name(dflt_out.stem + '_HDR.fits').read_bytes() \
                 == replay_hdr.read_bytes()
-        live_cost = trace_cost(dflt_run.stderr, 'Frame 0')
-        replay_cost = trace_cost(replay_run.stderr, 'Imported map')
+        live_cost = trace_cost(dflt_run.stdout, 'Frame 0')
+        replay_cost = trace_cost(replay_run.stdout, 'Imported map')
         assert live_cost is not None and replay_cost is not None
         assert live_cost == replay_cost, (live_cost, replay_cost)