TST: Finish testing all examples

- py.test will now run examples/test_examples.py too

examples/__main__.py

@@ -8,7 +8,7 @@ if __name__ == "__main__" and (__package__ is None or __package__==''):
     import examples
     __package__ = "examples"
 
-from .utils import buildFileList, testFile, run, path
+from .utils import buildFileList, testFile, run, path, examples
 
 if __name__ == '__main__':
 

examples/test_examples.py

@@ -0,0 +1,14 @@
+from __future__ import print_function, division, absolute_import
+from pyqtgraph import Qt
+from . import utils
+
+files = utils.buildFileList(utils.examples)
+
+import pytest
+
+
+@pytest.mark.parametrize("f", files)
+def test_examples(f):
+    # Test the examples with whatever the current QT_LIB front
+    # end is
+    utils.testFile(f[0], f[1], utils.sys.executable, Qt.QT_LIB)

examples/tests.py

@@ -1,8 +0,0 @@
-
-from .__main__ import buildFileList, testFile, sys, examples
-
-def test_pyside():
-    files = buildFileList(examples)
-    for f in files:
-        yield testFile, f[0], f[1], sys.executable, 'PySide'
-        # testFile(f[0], f[1], sys.executable, 'PySide')