Run failing pipeline steps only

.travis.yml

@@ -23,90 +23,10 @@ env:
 jobs:
   include:
 
-    - stage: Smoke Testing
-      php: "7.3"
-      env:
-        - CHECKS=phpunit
-    - stage: Smoke Testing
-      php: "7.1"
-      before_install: []
-      before_script:
-        - pecl install -f mongodb-${DRIVER_VERSION}
-        - composer require --no-update doctrine/coding-standard=^6.0
-        - composer install --no-interaction --no-progress --no-suggest ${COMPOSER_OPTIONS}
-      script: vendor/bin/phpcs
-      after_script: []
-      after_failure: []
-      env:
-        - CHECKS=phpcs
-
-    # Test remaining supported PHP versions
-    - stage: Test
-      php: "5.6"
-    - stage: Test
-      php: "7.0"
-    - stage: Test
-      php: "7.1"
-    - stage: Test
-      php: "7.2"
-    - stage: Test
-      php: "7.4snapshot"
-
-    # Test against lowest supported dependencies
-    - stage: Test
-      php: "5.6"
-      env:
-        - COMPOSER_OPTIONS=--prefer-lowest
-
-      # Test older standalone server versions (3.0-4.0)
-    - stage: Test
-      php: "7.0"
-      dist: trusty
-      env:
-        - SERVER_DISTRO=ubuntu1404
-        - SERVER_VERSION=3.0.15
-        - DEPLOYMENT=STANDALONE_OLD
-    - stage: Test
-      php: "7.0"
-      env:
-        - SERVER_VERSION=3.2.22
-        - DEPLOYMENT=STANDALONE_OLD
-    - stage: Test
-      php: "7.0"
-      env:
-        - SERVER_VERSION=3.4.21
-        - DEPLOYMENT=STANDALONE_OLD
-    - stage: Test
-      php: "7.0"
-      env:
-        - SERVER_VERSION=3.6.13
-    - stage: Test
-      php: "7.3"
-      env:
-        - SERVER_VERSION=4.0.12
-
-    # Test other server configurations
     - stage: Test
       php: "7.3"
       env:
-        - DEPLOYMENT=STANDALONE_AUTH
-    - stage: Test
-      php: "7.3"
-      env:
-        - DEPLOYMENT=STANDALONE_SSL
-    - stage: Test
-      php: "7.3"
-      env:
-        - SERVER_VERSION=3.6.13
         - DEPLOYMENT=REPLICASET
-    - stage: Test
-      php: "7.3"
-      env:
-        - DEPLOYMENT=REPLICASET
-    - stage: Test
-      php: "7.3"
-      env:
-        - DEPLOYMENT=SHARDED_CLUSTER
     - stage: Test
       php: "7.3"
       env: