simplify matrix test environments

Author: scottyhq

.github/workflows/main.yaml

@@ -8,12 +8,12 @@ on:
 
 jobs:
   test:
-    name: ${{ matrix.CONDA_ENV }}-build
+    name: ${{ matrix.CONDA_ENV }}-pytest
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        CONDA_ENV: [36, 36-defaults, 37-nodefaults, 37-upstream]
+        CONDA_ENV: [36, 37, 38, 37-upstream]
     steps:
       - name: Checkout
         uses: actions/checkout@v2

ci/environment-py36.yml

@@ -4,12 +4,12 @@ channels:
 dependencies:
   - python=3.6
   - aiohttp
-  - intake>=0.4.1
+  - intake
   - netcdf4
   - pip
   - pydap
   - pytest
   - rasterio
   - scikit-image
-  - xarray>=0.11.2
+  - xarray
   - zarr

ci/environment-py37-upstream.yml

@@ -1,7 +1,6 @@
 name: test_env
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - python=3.7
   - aiohttp

ci/environment-py37-nodefaults.yml ci/environment-py37.ymlci/environment-py37-nodefaults.yml renamed to ci/environment-py37.yml

@@ -1,10 +1,9 @@
 name: test_env
 channels:
   - conda-forge
-  - defaults
 dependencies:
   - python=3.7
-  - intake>=0.4.1
+  - intake
   - netcdf4
   - pip
   - pydap

ci/environment-py36-defaults.yml ci/environment-py38.ymlci/environment-py36-defaults.yml renamed to ci/environment-py38.yml

@@ -1,10 +1,12 @@
 name: test_env
+channels:
+  - conda-forge
 dependencies:
-  - python=3.6
-  - aiohttp
+  - python=3.8
   - intake
   - netcdf4
   - pip
+  - pydap
   - pytest
   - rasterio
   - scikit-image