Clean up unused testing dependencies and upgrade current testing depe…

…ndencies

requirements.txt

@@ -17,9 +17,6 @@ decorator==4.3.2
 celery==4.2.1
 kombu==4.4.0
 coreschema==0.0.4
-autoflake==1.2
-flake8>=2.6.2,<=3.5.0
-pyflakes>=1.2.3,<=1.6.0
 boto<=2.49.0
 six<1.11.0 # https://github.com/benjaminp/six/issues/210
 tqdm==4.31.1
@@ -130,10 +127,10 @@ invoke==0.22.1
 coverage==4.5.3
 parse-type==0.4.1
 poster~=0.8.1
-pytest==3.5.0
-pytest-bdd==2.20.0
-splinter==0.7.7
-pytest-splinter==1.8.5
-pytest-django==3.1.2
+flake8==3.7.7
+pytest==4.3.1
+pytest-bdd==3.1.0
+splinter==0.10.0
+pytest-django==3.4.8
 setuptools==40.8.0
 Twisted==18.9.0

requirements_docs.txt

@@ -2,7 +2,6 @@ Django==1.11.20
 six==1.10.0
 amqp==2.4.2
 arcrest==10.3
-autoflake==0.7
 awesome-slugify==1.6.5
 beautifulsoup4==4.7.1
 boto==2.49.0
@@ -46,7 +45,7 @@ django-tastypie==0.14.0
 django-treebeard==4.3
 docker==3.7.0
 elasticsearch<3.0.0
-flake8==2.5.4
+flake8==3.7.7
 geoip2==2.9.0
 geonode-agon-ratings==0.3.8
 geonode-announcements==1.0.13
@@ -77,16 +76,13 @@ pinax-notifications==4.1.0
 poster==0.8.1
 psutil==5.6.1
 psycopg2==2.7.7
-pycodestyle==2.3.1
 pycountry
 pycsw==2.2.0
-pyflakes==1.6.0
 pyopenssl==19.0.0
 pyproj==1.9.5.1
-pytest==3.5.0
-pytest-bdd==2.20.0
-pytest-splinter==1.8.5
-pytest-django==3.1.2
+pytest==4.3.1
+pytest-bdd==3.1.0
+pytest-django==3.4.8
 parse-type==0.4.1
 setuptools==40.8.0
 python-dateutil==2.8.0
@@ -96,7 +92,7 @@ pyyaml>=4.2b1
 requests>=2.20.0
 Shapely==1.5.17
 simplejson==3.16.0
-splinter==0.7.7
+splinter==0.10.0
 # SQLAlchemy is a mandatory dependency of pycsw 2.2.0
 SQLAlchemy==1.3.1
 timeout-decorator==0.4.1