diff --git a/borgmatic/borg/init.py b/borgmatic/borg/init.py
index 938cb7640..ff91f73be 100644
--- a/borgmatic/borg/init.py
+++ b/borgmatic/borg/init.py
@@ -7,6 +7,9 @@ from borgmatic.logger import get_logger
 logger = get_logger(__name__)
 
 
+INFO_REPOSITORY_NOT_FOUND_EXIT_CODE = 2
+
+
 def initialize_repository(
     repository,
     encryption_mode,
@@ -28,7 +31,7 @@ def initialize_repository(
         logger.info('Repository already exists. Skipping initialization.')
         return
     except subprocess.CalledProcessError as error:
-        if error.returncode != 2:
+        if error.returncode != INFO_REPOSITORY_NOT_FOUND_EXIT_CODE:
             raise
 
     init_command = (
diff --git a/test_requirements.txt b/test_requirements.txt
index a9e67a2c4..cc0df6bb9 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,25 +1,24 @@
 appdirs==1.4.3
-atomicwrites==1.2.1
-attrs==18.2.0
-black==18.9b0; python_version >= '3.6'
-Click==7.0
+atomicwrites==1.3.0
+attrs==19.1.0
+black==19.3b0; python_version >= '3.6'
+click==7.0
 colorama==0.4.1
-coverage==4.5.1
+coverage==4.5.3
 docopt==0.6.2
-flake8==3.5.0
+flake8==3.7.7
 flexmock==0.10.4
-isort==4.3.19
+isort==4.3.20
 mccabe==0.6.1
-more-itertools==4.3.0
-pluggy==0.7.1
-py==1.6.0
-pycodestyle==2.3.1
-pyflakes==2.0.0
+more-itertools==7.0.0
+pluggy==0.12.0
+py==1.8.0
+pycodestyle==2.5.0
+pyflakes==2.1.1
 pykwalify==1.7.0
-pytest==3.8.2
-pytest-cov==2.6.0
-python-dateutil==2.7.3
-PyYAML==3.13
+pytest==4.6.3
+pytest-cov==2.7.1
+python-dateutil==2.8.0
+PyYAML==5.1.1
 ruamel.yaml>0.15.0,<0.16.0
-six==1.11.0
 toml==0.10.0
diff --git a/tests/integration/commands/test_borgmatic.py b/tests/integration/commands/test_borgmatic.py
index 9232a9b5b..6043ee9c8 100644
--- a/tests/integration/commands/test_borgmatic.py
+++ b/tests/integration/commands/test_borgmatic.py
@@ -14,7 +14,8 @@ def test_parse_arguments_with_no_arguments_uses_defaults():
 
     assert parser.config_paths == config_paths
     assert parser.excludes_filename is None
-    assert parser.verbosity is 0
+    assert parser.verbosity == 0
+    assert parser.syslog_verbosity == 1
     assert parser.json is False
 
 
@@ -24,7 +25,8 @@ def test_parse_arguments_with_multiple_config_paths_parses_as_list():
     parser = module.parse_arguments('--config', 'myconfig', 'otherconfig')
 
     assert parser.config_paths == ['myconfig', 'otherconfig']
-    assert parser.verbosity is 0
+    assert parser.verbosity == 0
+    assert parser.syslog_verbosity == 1
 
 
 def test_parse_arguments_with_verbosity_overrides_default():
@@ -36,6 +38,19 @@ def test_parse_arguments_with_verbosity_overrides_default():
     assert parser.config_paths == config_paths
     assert parser.excludes_filename is None
     assert parser.verbosity == 1
+    assert parser.syslog_verbosity == 1
+
+
+def test_parse_arguments_with_syslog_verbosity_overrides_default():
+    config_paths = ['default']
+    flexmock(module.collect).should_receive('get_default_config_paths').and_return(config_paths)
+
+    parser = module.parse_arguments('--syslog-verbosity', '2')
+
+    assert parser.config_paths == config_paths
+    assert parser.excludes_filename is None
+    assert parser.verbosity == 0
+    assert parser.syslog_verbosity == 2
 
 
 def test_parse_arguments_with_json_overrides_default():
diff --git a/tests/unit/borg/test_info.py b/tests/unit/borg/test_info.py
index beb9070bb..9bf0dae46 100644
--- a/tests/unit/borg/test_info.py
+++ b/tests/unit/borg/test_info.py
@@ -25,6 +25,17 @@ def test_display_archives_info_with_log_info_calls_borg_with_info_parameter():
     module.display_archives_info(repository='repo', storage_config={})
 
 
+def test_display_archives_info_with_log_info_and_json_suppresses_most_borg_output():
+    flexmock(module).should_receive('execute_command').with_args(
+        INFO_COMMAND + ('--json',), output_log_level=None
+    ).and_return('[]')
+
+    insert_logging_mock(logging.INFO)
+    json_output = module.display_archives_info(repository='repo', storage_config={}, json=True)
+
+    assert json_output == '[]'
+
+
 def test_display_archives_info_with_log_debug_calls_borg_with_debug_parameter():
     flexmock(module).should_receive('execute_command').with_args(
         INFO_COMMAND + ('--debug', '--show-rc'), output_log_level=logging.WARNING
@@ -34,6 +45,17 @@ def test_display_archives_info_with_log_debug_calls_borg_with_debug_parameter():
     module.display_archives_info(repository='repo', storage_config={})
 
 
+def test_display_archives_info_with_log_debug_and_json_suppresses_most_borg_output():
+    flexmock(module).should_receive('execute_command').with_args(
+        INFO_COMMAND + ('--json',), output_log_level=None
+    ).and_return('[]')
+
+    insert_logging_mock(logging.DEBUG)
+    json_output = module.display_archives_info(repository='repo', storage_config={}, json=True)
+
+    assert json_output == '[]'
+
+
 def test_display_archives_info_with_json_calls_borg_with_json_parameter():
     flexmock(module).should_receive('execute_command').with_args(
         INFO_COMMAND + ('--json',), output_log_level=None
diff --git a/tests/unit/borg/test_init.py b/tests/unit/borg/test_init.py
index 7487361e4..19b26c248 100644
--- a/tests/unit/borg/test_init.py
+++ b/tests/unit/borg/test_init.py
@@ -1,13 +1,14 @@
 import logging
 import subprocess
 
+import pytest
 from flexmock import flexmock
 
 from borgmatic.borg import init as module
 
 from ..test_verbosity import insert_logging_mock
 
-INFO_REPOSITORY_NOT_FOUND_RESPONSE_CODE = 2
+INFO_SOME_UNKNOWN_EXIT_CODE = -999
 INIT_COMMAND = ('borg', 'init', 'repo', '--encryption', 'repokey')
 
 
@@ -17,7 +18,7 @@ def insert_info_command_found_mock():
 
 def insert_info_command_not_found_mock():
     flexmock(module).should_receive('execute_command').and_raise(
-        subprocess.CalledProcessError(INFO_REPOSITORY_NOT_FOUND_RESPONSE_CODE, [])
+        subprocess.CalledProcessError(module.INFO_REPOSITORY_NOT_FOUND_EXIT_CODE, [])
     )
 
 
@@ -41,6 +42,15 @@ def test_initialize_repository_skips_initialization_when_repository_already_exis
     module.initialize_repository(repository='repo', encryption_mode='repokey')
 
 
+def test_initialize_repository_raises_for_unknown_info_command_error():
+    flexmock(module).should_receive('execute_command').and_raise(
+        subprocess.CalledProcessError(INFO_SOME_UNKNOWN_EXIT_CODE, [])
+    )
+
+    with pytest.raises(subprocess.CalledProcessError):
+        module.initialize_repository(repository='repo', encryption_mode='repokey')
+
+
 def test_initialize_repository_with_append_only_calls_borg_with_append_only_parameter():
     insert_info_command_not_found_mock()
     insert_init_command_mock(INIT_COMMAND + ('--append-only',))
diff --git a/tests/unit/borg/test_list.py b/tests/unit/borg/test_list.py
index f47350f96..2e6beb998 100644
--- a/tests/unit/borg/test_list.py
+++ b/tests/unit/borg/test_list.py
@@ -26,6 +26,15 @@ def test_list_archives_with_log_info_calls_borg_with_info_parameter():
     module.list_archives(repository='repo', storage_config={})
 
 
+def test_list_archives_with_log_info_and_json_suppresses_most_borg_output():
+    flexmock(module).should_receive('execute_command').with_args(
+        LIST_COMMAND + ('--json',), output_log_level=None
+    )
+    insert_logging_mock(logging.INFO)
+
+    module.list_archives(repository='repo', storage_config={}, json=True)
+
+
 def test_list_archives_with_log_debug_calls_borg_with_debug_parameter():
     flexmock(module).should_receive('execute_command').with_args(
         LIST_COMMAND + ('--debug', '--show-rc'), output_log_level=logging.WARNING
@@ -35,6 +44,15 @@ def test_list_archives_with_log_debug_calls_borg_with_debug_parameter():
     module.list_archives(repository='repo', storage_config={})
 
 
+def test_list_archives_with_log_debug_and_json_suppresses_most_borg_output():
+    flexmock(module).should_receive('execute_command').with_args(
+        LIST_COMMAND + ('--json',), output_log_level=None
+    )
+    insert_logging_mock(logging.DEBUG)
+
+    module.list_archives(repository='repo', storage_config={}, json=True)
+
+
 def test_list_archives_with_lock_wait_calls_borg_with_lock_wait_parameters():
     storage_config = {'lock_wait': 5}
     flexmock(module).should_receive('execute_command').with_args(
diff --git a/tox.ini b/tox.ini
index b6d005cbc..66bfbda3a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,7 +18,7 @@ commands =
     pytest {posargs}
     py36,py37: black --check .
     isort --recursive --check-only --settings-path setup.cfg .
-    flake8 .
+    flake8 borgmatic tests
 
 [testenv:black]
 basepython = python3.7
@@ -32,7 +32,7 @@ commands =
 [testenv:end-to-end]
 deps = -rtest_requirements.txt
 commands =
-    pytest {posargs} tests/end-to-end
+    pytest {posargs} --no-cov tests/end-to-end
 
 [testenv:isort]
 deps = {[testenv]deps}