Install with tests extra

Author: hugovk

.ci/install.sh

@@ -28,14 +28,7 @@ fi
 
 python3 -m pip install --upgrade pip
 python3 -m pip install --upgrade wheel
-python3 -m pip install coverage
-python3 -m pip install defusedxml
 python3 -m pip install ipython
-python3 -m pip install olefile
-python3 -m pip install -U pytest
-python3 -m pip install -U pytest-cov
-python3 -m pip install -U pytest-timeout
-python3 -m pip install pyroma
 # optional test dependency, only install if there's a binary package.
 # fails on beta 3.14 and PyPy
 python3 -m pip install --only-binary=:all: pyarrow || true

Makefile

@@ -62,7 +62,7 @@ install:
 
 .PHONY: install-coverage
 install-coverage:
-	CFLAGS="-coverage -Werror=implicit-function-declaration" python3 -m pip -v install .
+	CFLAGS="-coverage -Werror=implicit-function-declaration" python3 -m pip -v install .[tests]
 	python3 selftest.py
 
 .PHONY: debug