textproc/py-enrich: fix tests

- Switch to USES=pytest
- Fix depends by dropping bogus version limitation

Reported by:	reprise
Approved by:	portmgr blanket

textproc/py-enrich/Makefile

@@ -16,16 +16,12 @@ BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>=3.5.0:devel/py-setuptools_
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}rich>=9.5.1:textproc/py-rich@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=3.0.5:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-cov>=2.7.1:devel/py-pytest-cov@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pytest-mock>=3.3.1:devel/py-pytest-mock@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pytest-xdist>=1.29.0:devel/py-pytest-xdist@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pytest>=5.4.0:devel/py-pytest@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}pytest-mock>=0:devel/py-pytest-mock@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}pytest-xdist>=1.29.0:devel/py-pytest-xdist@${PY_FLAVOR}
 
-USES=		python:3.6+
+USES=		python:3.6+ pytest
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
-do-test:
-	@(cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} ${PYTHON_CMD} -m pytest)
-
 .include <bsd.port.mk>