CI. Exclude from run build/tests jobs if PR have [WIP]/[Dependent] in…

… the title or has "Draft" status. (#3806)

.github/workflows/main.yml

@@ -5,9 +5,14 @@ on:
       - 'master'
       - 'develop'
   pull_request:
+    types: [edited, ready_for_review, opened, synchronize, reopened]
 
 jobs:
   Unit_testing:
+      if: |
+        github.event.pull_request.draft == false &&
+        !startsWith(github.event.pull_request.title, '[WIP]') &&
+        !startsWith(github.event.pull_request.title, '[Dependent]')
       runs-on: ubuntu-latest
       steps:
       - uses: actions/checkout@v2
@@ -75,6 +80,10 @@ jobs:
             ${{ github.workspace }}/lcov.info
 
   E2E_testing:
+    if: |
+      github.event.pull_request.draft == false &&
+      !startsWith(github.event.pull_request.title, '[WIP]') &&
+      !startsWith(github.event.pull_request.title, '[Dependent]')
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false