Check only src/ and test/ directories in GitHub workflows

Author: Electronic-Mango

.github/workflows/black.yml

@@ -26,4 +26,4 @@ jobs:
         python -m pip install black
     - name: Check code formatting with black
       run: |
-        black -v -l 100 --check .
+        black -v -l 100 --check src/ test/

.github/workflows/flake8.yml

@@ -26,4 +26,4 @@ jobs:
         python -m pip install flake8
     - name: Lint with flake8
       run: |
-        flake8 . -v --count --max-line-length=100 --max-complexity=10 --per-file-ignores="__init__.py:F401" --show-source --statistics
+        flake8 src/ test/ -v --count --max-line-length=100 --max-complexity=10 --per-file-ignores="__init__.py:F401" --show-source --statistics

.github/workflows/isort.yml

@@ -26,4 +26,4 @@ jobs:
         python -m pip install isort
     - name: Check imports organization with isort
       run: |
-        isort -v --profile black -l 100 --check .
+        isort -v --profile black -l 100 --check src/ test/