CI: Re-group PHPUnit jobs. (#49443)

In this PR, we reduce build time for REST API tests (lightweight build) and regroup a bit of PHPUnit jobs (fewer jobs with the same coverage).

.github/workflows/ci.yml

@@ -119,7 +119,7 @@ jobs:
         with:
           install: '${{ matrix.projectName }}...'
           build: ${{ ( github.ref_type == 'tag' && 'false' ) || matrix.projectName }}
-          build-type: ${{ ( matrix.testType == 'unit:php' && 'backend' ) || 'full' }}
+          build-type: ${{ ( ( matrix.testType == 'unit:php' || matrix.testType == 'api' ) && 'backend' ) || 'full' }}
           pull-playwright-cache: ${{ matrix.testEnv.shouldCreate && matrix.testType == 'e2e' }}
           pull-package-deps: '${{ matrix.projectName }}'
 

plugins/woocommerce/changelog/dev-ci-core-e2e-tests-tweaks

@@ -0,0 +1,4 @@
+Significance: patch
+Type: dev
+
+CI: Re-group PHPUnit jobs.

plugins/woocommerce/package.json

@@ -104,31 +104,7 @@
 			},
 			"tests": [
 				{
-					"name": "PHP",
+					"name": "PHP: 8.0 WP: latest",
-					"testType": "unit:php",
-					"command": "test:php:env",
-					"changes": [
-						"client/admin/config/*.json",
-						"composer.json",
-						"composer.lock",
-						"includes/**/*.php",
-						"patterns/**/*.php",
-						"src/**/*.php",
-						"templates/**/*.php",
-						"tests/php/**/*.php",
-						"tests/legacy/unit-tests/**/*.php",
-						"tests/unit-tests/**/*.php"
-					],
-					"testEnv": {
-						"start": "env:test"
-					},
-					"events": [
-						"pull_request",
-						"push"
-					]
-				},
-				{
-					"name": "PHP 8.0",
 					"testType": "unit:php",
 					"command": "test:php:env",
 					"changes": [
@@ -146,7 +122,8 @@
 					"testEnv": {
 						"start": "env:test",
 						"config": {
-							"phpVersion": "8.0"
+							"phpVersion": "8.0",
+							"wpVersion": "latest"
 						}
 					},
 					"events": [