Run tests on merge master, and everyday 0:00 (#356)

* Run tests on merge master, and everyday 0:00

* test

* try

* use array

* test

* test

* test

* fix all

* push only on master

.github/workflows/deploy-test-pypi.yml

 name: deploy-test-pypi
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
   build:

.github/workflows/docs.yml

 name: docs
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
   build:

.github/workflows/flake8.yml

 name: flake8
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
   build:

.github/workflows/python2.yml

 name: python2
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
   build:

.github/workflows/runnable_submodules.yml

 name: runnable submodules
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
   build:

.github/workflows/tools.yml

 name: tools
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
   build:

.github/workflows/unittest.yml

 name: unit tests
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
   build: