Register pytest.markers used by pip's tests

Signed-off-by: Alexander Mazuruk <a.mazuruk@samsung.com>

remove unused markers

Signed-off-by: Alexander Mazuruk <a.mazuruk@samsung.com>

Author: aalexanderr

pyproject.toml

@@ -34,6 +34,7 @@ norecursedirs = [
    "thirdparty",
    "tmp",
    "tests/data",
+   "tests/lib",
    ".eggs",
    "src/fetchcode/vcs/pip",
 ]
@@ -48,3 +49,14 @@ addopts = [
     "--strict-markers",
     "--doctest-modules"
 ]
+
+markers = [
+    "network: tests that need network",
+    "no_auto_tempdir_manager",
+    "unit: unit tests",
+    "integration: integration tests",
+    "bzr: VCS: Bazaar",
+    "svn: VCS: Subversion",
+    "mercurial: VCS: Mercurial",
+    "git: VCS: git",
+]