fixing github workflow issues (#2417)

Author: xsrust

.github/workflows/mysql.yml

@@ -10,7 +10,6 @@ jobs:
       DB_ADAPTER: mysql2
       MYSQL_PWD: root
       RAILS_ENV: test
-      WICKED_PDF_PATH: vendor/bundle/bin/wkhtmltopdf
 
     steps:
     # Checkout the repo
@@ -79,6 +78,10 @@ jobs:
       run: |
         yarn install
 
+    # Figure out where wkhtmltopdf is installed
+    - name: 'Determine wkhtmltopdf location'
+      run: echo ::set-env name=WICKED_PDF_PATH::$(echo `bundle exec which wkhtmltopdf`)
+
     # Setup the database
     - name: 'Setup Test DB'
       run: bundle exec rake db:setup RAILS_ENV=test

.github/workflows/postgres.yml

@@ -9,7 +9,13 @@ jobs:
     services:
       # Postgres installation
       db:
-        image: postgres:11
+        image: postgres
+        env:
+          # Latest version of Postgres has increased security. We can use the default
+          # user/password in this testing scenario though so use the following env
+          # variable to bypass this changes:
+          # https://github.com/docker-library/postgres/issues/681
+          POSTGRES_HOST_AUTH_METHOD: trust
         ports: ['5432:5432']
         options: >-
           --health-cmd pg_isready
@@ -84,6 +90,10 @@ jobs:
           ${{ runner.os }}-yarn-
           ${{ runner.os }}-
 
+    # Figure out where wkhtmltopdf is installed
+    - name: 'Determine wkhtmltopdf location'
+      run: echo ::set-env name=WICKED_PDF_PATH::$(echo `bundle exec which wkhtmltopdf`)
+
     # Install the JS dependencies
     - name: 'Yarn Install'
       run: |