since tensorflow is not required, add mac on CI

.gitlab-ci.yml

@@ -175,3 +175,39 @@ docs_linux_35:
     - build_linux_35
   tags:
     - conda-linux
+
+
+# Mac OSX + Python 2.7: Builds and tests
+build_macosx_27:
+  <<: *build_job
+  variables: &macosx_27_build_variables
+    PYTHON_VERSION: "2.7"
+    WHEEL_TAG: "py27"
+  tags:
+    - conda-macosx
+
+test_macosx_27:
+  <<: *test_job
+  variables: *macosx_27_build_variables
+  dependencies:
+    - build_macosx_27
+  tags:
+    - conda-macosx
+
+
+# Mac OSX + Python 3.5: Builds and tests
+build_macosx_35:
+  <<: *build_job
+  variables: &macosx_35_build_variables
+    PYTHON_VERSION: "3.5"
+    WHEEL_TAG: "py3"
+  tags:
+    - conda-macosx
+
+test_macosx_35:
+  <<: *test_job
+  variables: *macosx_35_build_variables
+  dependencies:
+    - build_macosx_35
+  tags:
+    - conda-macosx