test: Print stderr when subprocess fails

1 files changed, 4 insertions, 0 deletions

diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
index 6b6bbfd1f9..f468f9eaec 100755
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -12,6 +12,7 @@ import os
 import pdb
 import random
 import shutil
+import subprocess
 import sys
 import tempfile
 import time
@@ -121,6 +122,9 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
         except KeyError:
             self.log.exception("Key error")
             self.success = TestStatus.FAILED
+        except subprocess.CalledProcessError as e:
+            self.log.exception("Called Process failed with '{}'".format(e.output))
+            self.success = TestStatus.FAILED
         except Exception:
             self.log.exception("Unexpected exception caught during testing")
             self.success = TestStatus.FAILED