DRY scheme and iOS version definition in UI tests CI script (#19193)

Author: mokagio

.buildkite/commands/run-ui-tests.sh

@@ -1,10 +1,8 @@
 #!/bin/bash -eu
 
-TEST_NAME=$1
-DEVICE=$2
-IOS_VERSION=$3
+DEVICE=$1
 
-echo "Running $TEST_NAME on $DEVICE for iOS $IOS_VERSION"
+echo "Running UI tests on $DEVICE. The iOS version will be the latest available in the CI host."
 
 # Run this at the start to fail early if value not available
 echo '--- :test-analytics: Configuring Test Analytics'
@@ -36,7 +34,7 @@ echo "--- 🔬 Testing"
 xcrun simctl list >> /dev/null
 rake mocks &
 set +e
-bundle exec fastlane test_without_building name:"$TEST_NAME" try_count:3 device:"$DEVICE" ios_version:"$IOS_VERSION"
+bundle exec fastlane test_without_building name:WordPressUITests device:"$DEVICE"
 TESTS_EXIT_STATUS=$?
 set -e
 

.buildkite/commands/run-unit-tests.sh

@@ -17,7 +17,7 @@ install_gems
 
 echo "--- 🔬 Testing"
 set +e
-bundle exec fastlane test_without_building name:WordPressUnitTests try_count:3
+bundle exec fastlane test_without_building name:WordPressUnitTests
 TESTS_EXIT_STATUS=$?
 set -e
 

.buildkite/pipeline.yml

@@ -76,7 +76,7 @@ steps:
   - group: "🔬 UI Tests"
     steps:
       - label: "🔬 UI Tests (iPhone)"
-        command: .buildkite/commands/run-ui-tests.sh WordPressUITests 'iPhone 13' 15.0
+        command: .buildkite/commands/run-ui-tests.sh 'iPhone 13'
         depends_on: "build"
         env: *common_env
         plugins: *common_plugins
@@ -91,7 +91,7 @@ steps:
             if: build.state == "failed" && build.branch == "trunk"
 
       - label: "🔬 UI Tests (iPad)"
-        command: .buildkite/commands/run-ui-tests.sh WordPressUITests "iPad Air (5th generation)" 15.0
+        command: .buildkite/commands/run-ui-tests.sh "iPad Air (5th generation)"
         depends_on: "build"
         env: *common_env
         plugins: *common_plugins