Reproduce System properties not restored after ParameterizedTest

[nielsbasjes]

This is just a few tests to reproduce #5717

Because this does not yet fix the issue this currently will always fail the build.

---

I hereby agree to the terms of the JUnit Contributor License Agreement.

---

Definition of Done

• There are no TODOs left in the code
• Method preconditions are checked and documented in the method's Javadoc
• Coding conventions (e.g. for logging) have been followed
• Change is covered by automated tests including corner cases, errors, and exception handling
• Public API has Javadoc and @API annotations
• Change is documented in the User Guide and Release Notes

[testlens-app]

🚨 TestLens detected 8 failed tests 🚨

Here is what you can do:

1. Inspect the test failures carefully.
2. If you are convinced that some of the tests are flaky, you can mute them below.
3. Finally, trigger a rerun by checking the rerun checkbox.

Test Summary

Check	Project/Task	Test	Runs
CI / Build / Linux	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Build / Linux	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️
CI / Build / Windows	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Build / Windows	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️
CI / Build / macOS	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Build / macOS	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️
CI / Cross-Version / OpenJ9 25	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Cross-Version / OpenJ9 25	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️
CI / Cross-Version / OpenJDK 26 (ga)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Cross-Version / OpenJDK 26 (ga)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️
CI / Cross-Version / OpenJDK 26 (leyden)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Cross-Version / OpenJDK 26 (leyden)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️
CI / Cross-Version / OpenJDK 27 (ea)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Cross-Version / OpenJDK 27 (ea)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️
CI / Cross-Version / OpenJDK 27 (valhalla)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest	🚫 ❌
CI / Cross-Version / OpenJDK 27 (valhalla)	:jupiter-tests:test	System Properties Extension > properties are restored after ParameterizedTest > testNormal()	🚫 ⚠️

🏷️ Commit: 5d8023c
▶️ Tests: 26166 executed
⚪️ Checks: 16/16 completed

Test Failures (first 10 of 40)

System Properties Extension > properties are restored after ParameterizedTest (:jupiter-tests:test in CI / Build / Linux)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.finish(SystemPropertiesExtensionTests.java:736)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest (:jupiter-tests:test in CI / Build / Linux)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.finish(SystemPropertiesExtensionTests.java:736)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest (:jupiter-tests:test in CI / Build / Linux)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.finish(SystemPropertiesExtensionTests.java:736)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest > testNormal() (:jupiter-tests:test in CI / Build / Linux)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.testNormal(SystemPropertiesExtensionTests.java:752)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest > testNormal() (:jupiter-tests:test in CI / Build / Linux)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.testNormal(SystemPropertiesExtensionTests.java:752)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest (:jupiter-tests:test in CI / Build / Windows)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.finish(SystemPropertiesExtensionTests.java:736)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest (:jupiter-tests:test in CI / Build / Windows)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.finish(SystemPropertiesExtensionTests.java:736)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest (:jupiter-tests:test in CI / Build / Windows)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.finish(SystemPropertiesExtensionTests.java:736)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest > testNormal() (:jupiter-tests:test in CI / Build / Windows)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.testNormal(SystemPropertiesExtensionTests.java:752)

expected	actual
"Original Value"	"Changed Value"

System Properties Extension > properties are restored after ParameterizedTest > testNormal() (:jupiter-tests:test in CI / Build / Windows)

org.opentest4j.AssertionFailedError: [System property "ParameterizedTest PROP Variable" should be "Original Value".] 
expected: "Original Value"
 but was: "Changed Value"
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.assertSystemProperty(SystemPropertiesExtensionTests.java:715)
	at org.junit.jupiter.api.util.SystemPropertiesExtensionTests$RestoreAfterParameterizedTest.testNormal(SystemPropertiesExtensionTests.java:752)

expected	actual
"Original Value"	"Changed Value"

Muted Tests

Select tests to mute in this pull request:

• System Properties Extension > properties are restored after ParameterizedTest
• System Properties Extension > properties are restored after ParameterizedTest > testNormal()

Reuse successful test results:

• ♻️ Only rerun the tests that failed or were muted before

Click the checkbox to trigger a rerun:

• Rerun jobs

---

Learn more about TestLens at testlens.app.

[mpkorstanje]

Cheers! Very helpful!