chore: update testing_env and add make command

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v3
         with:
           activate-environment: polartoolkit
-          environment-file: env/test_env.yml
+          environment-file: env/testing_env.yml
           python-version: ${{ matrix.python-version }}
           channels: conda-forge,nodefaults
           channel-priority: strict

Makefile

@@ -81,3 +81,13 @@ RTD_env:
 	sed -i '$$d' env/RTD_env.yml
 	# add pip and install local package
 	sed -i '$$a\  - pip\n  - pip:\n    - ../.[docs]' env/RTD_env.yml
+
+# create testing yml
+testing_env:
+	mamba remove --name testing_env --all --yes
+	mamba create --name testing_env --yes --force pygmt
+	mamba env export --name testing_env --no-builds --from-history > env/testing_env.yml
+	# delete last line
+	sed -i '$$d' env/testing_env.yml
+	# add pip and install local package
+	sed -i '$$a\  - pip\n  - pip:\n    - ../.[test]' env/testing_env.yml

env/testing_env.yml

@@ -0,0 +1,8 @@
+name: testing_env
+channels:
+  - conda-forge
+dependencies:
+  - pygmt
+  - pip
+  - pip:
+    - ../.[test]