[tracker-miners/sam/index-location: 8/21] functional-tests: Improve cli test

[Sam Thursfield <sthursfield src gnome org>]

commit 2d90222c85c72679338ef283e5d34722fe89cfa0
Author: Sam Thursfield <sam afuera me uk>
Date:   Wed Jul 8 01:00:24 2020 +0200

    functional-tests: Improve cli test

 tests/functional-tests/cli.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/tests/functional-tests/cli.py b/tests/functional-tests/cli.py
index 536b50e3e..225f598be 100644
--- a/tests/functional-tests/cli.py
+++ b/tests/functional-tests/cli.py
@@ -51,8 +51,12 @@ class TestCli(fixtures.TrackerCommandLineTestCase):
         # This will generate an invalid .mp3 file.
         testfile = self.create_test_file('test-data/content.mp3')
 
-        with self.assertRaises(fixtures.CliError) as e:
-            self.run_cli(['index', str(testfile)])
+        try:
+            with self.assertRaises(fixtures.CliError) as e:
+                output = self.run_cli(['index', str(testfile)])
+        except AssertionError as e:
+            print(f"CLI output:\n{output}")
+            raise
         #print(e.exception)
         #assert 'foo' in e.exception.args[0]