File fix-requirements.patch of Package python-docker-pycreds

diff --git a/test-requirements.txt b/test-requirements.txt
index 9dc5b8b..83763b1 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
-pytest==3.0.2
-flake8==2.4.1
-pytest-cov==2.3.1
\ No newline at end of file
+pytest>=2.8.7
+flake8>=2.5.1
+pytest-cov>=2.2.0