make unit tests sequential

Author: thisisabhash

.github/workflows/nightly_unit_test.yml

@@ -40,5 +40,4 @@ jobs:
       scheme: ${{ matrix.scheme }}
       timeout-minutes: 60
       generate_coverage_report: false
-      test_iterations_flags: -test-iterations 3 -retry-tests-on-failure -parallel-testing-enabled NO -test-repetition-relaunch-enabled YES
       retry_tests: false

.github/workflows/run_unit_tests.yml

@@ -31,7 +31,7 @@ on:
         description: 'The xcodebuild flags used when running the test. Defaults to retrying on failure up to 3 times'
         required: false
         type: string
-        default: '-test-iterations 3 -retry-tests-on-failure'
+        default: '-test-iterations 3 -retry-tests-on-failure -parallel-testing-enabled NO -test-repetition-relaunch-enabled YES'
       retry_tests:
         required: false
         type: boolean

.github/workflows/run_unit_tests_platforms.yml

@@ -20,7 +20,7 @@ on:
         description: 'The xcodebuild flags used when running the test. Defaults to retrying on failure up to 3 times'
         required: false
         type: string
-        default: '-test-iterations 3 -retry-tests-on-failure'
+        default: '-test-iterations 3 -retry-tests-on-failure -parallel-testing-enabled NO -test-repetition-relaunch-enabled YES'
       retry_tests:
         required: false
         type: boolean