move black command to style tests

Author: A-Baji

.github/workflows/development.yaml

@@ -32,9 +32,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install flake8 black
       - name: Run syntax tests
-        run: |
-          flake8 datajoint --count --select=E9,F63,F7,F82 --show-source --statistics
-          black datajoint --check -v
+        run: flake8 datajoint --count --select=E9,F63,F7,F82 --show-source --statistics
       - name: Run primary tests
         env:
           UID: "1001"
@@ -51,3 +49,4 @@ jobs:
         run: |
           flake8 --ignore=E121,E123,E126,E226,E24,E704,W503,W504,E722,F401,W605 datajoint \
                  --count --max-complexity=62 --max-line-length=127 --statistics
+          black datajoint --check -v

test_requirements.txt

@@ -1,5 +1,4 @@
 nose
 nose-cov
 coveralls
-faker
-black
+faker