CHANGE: Skip running functional tests for doc only changes (#2191)

Author: windxu88

.yamato/analyze.yml

@@ -17,10 +17,7 @@ code_analyser:
     - upm-ci project test --project-path Tools/CodeAnalyzerTestProject -u 2021.3
   triggers:
     cancel_old_ci: true
-    pull_requests:
-      - targets:
-          only:
-            - "develop"
+    expression: pull_request.(target eq "develop" AND NOT changes.all match "**/*.md")
   artifacts:
     UTR_Output.zip:
       paths:

.yamato/format.yml

@@ -12,7 +12,4 @@ check_formatting:
     - perl unity-meta/Tools/Format/format.pl Assets Packages --dry-run
   triggers:
     cancel_old_ci: true
-    pull_requests:
-      - targets:
-          only:
-            - "develop"
+    expression: pull_request.(target eq "develop" AND NOT changes.all match "**/*.md")

.yamato/test-samples.yml

@@ -14,10 +14,7 @@ test_sample_projects_{{ editor.version }}:
     - Editor=.Editor/Unity.app/Contents/MacOS/Unity Method=DryRun sh ExternalSampleProjects/publish.sh 
   triggers:
     cancel_old_ci: true
-    pull_requests:
-      - targets:
-          only:
-            - "develop"
+    expression: pull_request.(target eq "develop" AND NOT changes.all match "**/*.md")
   artifacts:
     UTR_Output.zip:
       paths:

.yamato/upm-ci.yml

@@ -287,10 +287,17 @@ all_tests:
     - .yamato/wrench/promotion-jobs.yml#publish_dry_run_inputsystem
   triggers:
     cancel_old_ci: true
-    pull_requests:
-      - targets:
-          only:
-            - "develop"
+    expression: pull_request.(target eq "develop" AND NOT changes.all match "**/*.md")
+
+tests_for_doc_changes:
+  name: Tests for Documentation Changes
+  dependencies:
+    - .yamato/wrench/validation-jobs.yml#validate_-_inputsystem_-_2021_3_-_windows
+    - .yamato/wrench/validation-jobs.yml#validate_-_inputsystem_-_6000_0_-_windows
+    - .yamato/wrench/validation-jobs.yml#validate_-_inputsystem_-_6000_2_-_windows
+  triggers:
+    cancel_old_ci: true
+    expression: pull_request.(target eq "develop" AND changes.all match "**/*.md")
 
 performance_tests_only:
   name: All Performance Tests