Satisfy testing on macOS

This skips some tests currently not working on macOS.

Author: amotl

DEVELOP.rst

@@ -51,7 +51,16 @@ To run against a single interpreter, you can also invoke::
 are listening on the default CrateDB transport port to avoid side effects with
 the test layer.
 
-Preparing a release
+In order to run the tests on other operating systems than Linux, invoke::
+
+    ./bin/test-quick
+
+This will skip some tests currently not working on macOS. It can also be used
+to speed up the tests, because the tests for testing the test layer will also
+be skipped.
+
+
+Preparing a Release
 ===================
 
 To create a new release, you must:

base.cfg

@@ -4,6 +4,7 @@ extends = versions.cfg
 versions = versions
 show-picked-versions = true
 parts = test
+        test-quick
         crate
         scripts
         coverage
@@ -40,6 +41,13 @@ recipe = zc.recipe.testrunner
 defaults = ['--auto-color']
 eggs = crate [test,sqlalchemy]
 
+[test-quick]
+relative-paths=true
+working-directory = ${buildout:directory}
+recipe = zc.recipe.testrunner
+defaults = ['--auto-color', '--ignore_dir', 'testing', '--test', '!test_no_retry_on_read_timeout|test_client_threaded|test_client_keepalive|test_username|test_default_schema']
+eggs = crate [test,sqlalchemy]
+
 [linter]
 recipe = zc.recipe.egg:script
 eggs = flake8

versions.cfg

@@ -20,6 +20,9 @@ py = 1.10.0
 tox = 3.23.0
 twine = 3.4.0
 pkginfo = 1.7.0
+virtualenv = 15.1.0
+wheel = 0.24.0
+zc.buildout = 2.11.2
 zc.customdoctests = 1.0.1
 zc.recipe.egg = 2.0.7
 zc.recipe.testrunner = 2.2