Update example output using a somewhat more recent version.

Author: RKrahl

doc/examples/basic.out

@@ -1,15 +1,15 @@
-$ py.test -rsx basic.py
+$ pytest -rsx basic.py 
 ============================= test session starts ==============================
-platform linux -- Python 3.4.6, pytest-2.8.7, py-1.4.30, pluggy-0.3.1
-rootdir: /home/user/pytest-dependency-0.2, inifile: 
-plugins: dependency-0.2
-collected 5 items 
+platform linux -- Python 3.8.1, pytest-5.3.4, py-1.8.1, pluggy-0.13.1
+rootdir: /home/user/tests
+plugins: dependency-0.4.0
+collected 5 items                                                              
+
+basic.py x.s.s                                                           [100%]
 
-basic.py x.s.s
 =========================== short test summary info ============================
-SKIP [1] /usr/lib/python3.4/site-packages/pytest_dependency.py:65: test_e depends on test_c
-SKIP [1] /usr/lib/python3.4/site-packages/pytest_dependency.py:65: test_c depends on test_a
+SKIPPED [1] /usr/lib/python3.8/site-packages/pytest_dependency.py:87: test_c depends on test_a
+SKIPPED [1] /usr/lib/python3.8/site-packages/pytest_dependency.py:87: test_e depends on test_c
 XFAIL basic.py::test_a
   deliberate fail
-
-================ 2 passed, 2 skipped, 1 xfailed in 0.02 seconds ================
+=================== 2 passed, 2 skipped, 1 xfailed in 0.06s ====================