diff --git a/tests/rules/test_git_checkout.py b/tests/rules/test_git_checkout.py
index e4381cd..13212d7 100644
--- a/tests/rules/test_git_checkout.py
+++ b/tests/rules/test_git_checkout.py
@@ -1,5 +1,6 @@
 import pytest
-from thefuck.rules.git_checkout import match, get_new_command
+from io import BytesIO
+from thefuck.rules.git_checkout import match, get_branches, get_new_command
 from tests.utils import Command
 
 
@@ -13,8 +14,10 @@ def did_not_match(target, did_you_forget=False):
 
 
 @pytest.fixture
-def get_branches(mocker):
-    return mocker.patch('thefuck.rules.git_checkout.get_branches')
+def git_branch(mocker, branches):
+    mock = mocker.patch('subprocess.Popen')
+    mock.return_value.stdout = BytesIO(branches)
+    return mock
 
 
 @pytest.mark.parametrize('command', [
@@ -33,21 +36,34 @@ def test_not_match(command):
     assert not match(command)
 
 
+@pytest.mark.parametrize('branches, branch_list', [
+    (b'', []),
+    (b'* master', ['master']),
+    (b'  remotes/origin/master', ['master']),
+    (b'  just-another-branch', ['just-another-branch']),
+    (b'* master\n  just-another-branch', ['master', 'just-another-branch']),
+    (b'* master\n  remotes/origin/master\n  just-another-branch',
+     ['master', 'master', 'just-another-branch'])])
+def test_get_branches(branches, branch_list, git_branch):
+    git_branch(branches)
+    assert list(get_branches()) == branch_list
+
+
 @pytest.mark.parametrize('branches, command, new_command', [
-    ([],
+    (b'',
      Command(script='git checkout unknown', stderr=did_not_match('unknown')),
      'git branch unknown && git checkout unknown'),
-    ([],
+    (b'',
      Command('git commit unknown', stderr=did_not_match('unknown')),
      'git branch unknown && git commit unknown'),
-    (['test-random-branch-123'],
+    (b'  test-random-branch-123',
      Command(script='git checkout tst-rdm-brnch-123',
              stderr=did_not_match('tst-rdm-brnch-123')),
      'git checkout test-random-branch-123'),
-    (['test-random-branch-123'],
+    (b'  test-random-branch-123',
      Command(script='git commit tst-rdm-brnch-123',
              stderr=did_not_match('tst-rdm-brnch-123')),
      'git commit test-random-branch-123')])
-def test_get_new_command(branches, command, new_command, get_branches):
-    get_branches.return_value = branches
+def test_get_new_command(branches, command, new_command, git_branch):
+    git_branch(branches)
     assert get_new_command(command) == new_command