Renaming test 04_skip to 04_build_skip and amending it to test CIBW_BUILD as well

test/04_build_skip/setup.py

@@ -0,0 +1,15 @@
+from setuptools import setup, Extension
+import sys
+
+if sys.argv[-1] != '--name':
+    # explode if run on Python 2.7 or Python 3.3 (these should be skipped)
+    if sys.version_info[0:2] == (2, 7):
+        raise Exception('Python 2.7 should not be built')
+    if sys.version_info[0:2] == (3, 3):
+        raise Exception('Python 3.3 should be skipped')
+
+setup(
+    name="spam",
+    ext_modules=[Extension('spam', sources=['spam.c'])],
+    version="0.1.0",
+)