CI/CD: updated test script

Author: pawel-kow

.travis.yml

@@ -1,15 +1,18 @@
 language: python
 python:
-- '3.6'
+- "2.7"
+- "3.6"
+- "3.7"
+- "3.8"
+- "3.9"
 install:
-- pip install -r requirements.txt
-- pip install pytest-cov
-- pip install unittest2
+  - pip install -r requirements-test.txt
 script: py.test --cov=dyndns --cov-config=.coveragerc
 deploy:
   provider: pypi
   user: "__token__"
   password:
     secure: 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
   on:
-    tags: true
+    tags: true
+  skip_existing: true

requirements-test.txt

@@ -1,21 +1,41 @@
+atomicwrites==1.4.0
+attrs==20.3.0
+backports.functools-lru-cache==1.6.4
 certifi==2020.12.5
 cffi==1.14.5
 chardet==4.0.0
+colorama==0.4.4
+configparser==4.0.2
+contextlib2==0.6.0.post1
+coverage==5.5
 cryptography==3.3.2
 decorator==4.4.2
 dnspython==1.16.0
 domain-connect==0.0.9
 enum34==1.1.10
+funcsigs==1.0.2
 future==0.18.2
 idna==2.10
+importlib-metadata==2.1.1
 ipaddress==1.0.23
 linecache2==1.0.0
+more-itertools==5.0.0
+packaging==20.9
+pathlib2==2.3.5
+pluggy==0.13.1
 publicsuffix==1.1.1
 publicsuffixlist==0.7.7
+py==1.10.0
 pycparser==2.20
+pyparsing==2.4.7
+pytest==4.6.11
+pytest-cov==2.11.1
 requests==2.25.1
+scandir==1.10.0
 six==1.15.0
 traceback2==1.4.0
 unittest2==1.1.0
 urllib3==1.26.4
 validators==0.14.2
+wcwidth==0.2.5
+zipp==1.2.0