Add another test

This should chatch the issue in conda-forge#67 if it hasn't been solved yet.

recipe/meta.yaml

@@ -64,6 +64,9 @@ outputs:
     test:
       requires:
         - pip
+        - pytest
+      files:
+        - test.py
       imports:
         - apache_beam
         - apache_beam.coders
@@ -105,6 +108,7 @@ outputs:
         - apache_beam.utils
       commands:
         - pip check
+        - pytest test.py
 
   - name: {{ name }}-with-gcp
     requirements:

recipe/test.py

@@ -0,0 +1,23 @@
+import apache_beam as beam
+from apache_beam.testing.test_pipeline import TestPipeline
+from apache_beam.testing.util import assert_that
+
+
+def expected_nums():
+   def _expected_nums(actual):
+       assert actual[0] == 0
+       assert actual[1] == 1
+
+   return _expected_nums
+
+
+def test_pipeline_without_assert_that():
+   with TestPipeline() as p:
+       _ = p | beam.Create([0, 1])
+
+
+def test_assert_that():
+   with TestPipeline() as p:
+       nums = p | beam.Create([0, 1])
+       assert_that(nums, expected_nums())
+