Add integration tests for migration and transformation scenarios

[Splatcrafter]

This pull request introduces new integration tests to ensure the following scenarios are working as expected:

• Cross-format migrations.
• Error recovery during migration processes.
• Field addition in transformation workflows.

These tests increase confidence in the system's reliability under common and edge cases.

[github-actions]

⚠️ Deprecation Warning: The deny-licenses option is deprecated for possible removal in the next major release. For more information, see issue 997.

Dependency Review

The following issues were found:

• ✅ 0 vulnerable package(s)
• ✅ 0 package(s) with incompatible licenses
• ✅ 0 package(s) with invalid SPDX license definitions
• ⚠️ 1 package(s) with unknown licenses.

See the Details below.

License Issues

aether-datafixers-functional-tests/pom.xml

Package	Version	License	Issue Type
org.apache.maven.plugins:maven-failsafe-plugin		Null	Unknown License

Denied Licenses:

GPL-3.0-only, GPL-3.0-or-later, AGPL-3.0-only, AGPL-3.0-or-later

OpenSSF Scorecard

Scorecard details

Package	Version	Score	Details
maven/com.fasterxml.jackson.core:jackson-databind		🟢 6	Details Check Score Reason Packaging ⚠️ -1 packaging workflow not detected Maintained 🟢 10 22 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Token-Permissions ⚠️ -1 No tokens found Dangerous-Workflow ⚠️ -1 no workflows found Pinned-Dependencies ⚠️ -1 no dependencies found Binary-Artifacts 🟢 10 no binaries found in the repo Code-Review 🟢 3 Found 9/28 approved changesets -- score normalized to 3 Security-Policy 🟢 10 security policy file detected Vulnerabilities 🟢 10 0 existing vulnerabilities detected License ⚠️ 0 license file not detected Fuzzing ⚠️ 0 project is not fuzzed Signed-Releases ⚠️ -1 no releases found Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0
maven/com.fasterxml.jackson.dataformat:jackson-dataformat-toml		Unknown	Unknown
maven/com.fasterxml.jackson.dataformat:jackson-dataformat-xml		Unknown	Unknown
maven/com.fasterxml.jackson.dataformat:jackson-dataformat-yaml		🟢 7.3	Details Check Score Reason Code-Review ⚠️ 0 Found 2/26 approved changesets -- score normalized to 0 Maintained 🟢 10 30 commit(s) and 14 issue activity found in the last 90 days -- score normalized to 10 Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Security-Policy 🟢 10 security policy file detected Token-Permissions 🟢 10 GitHub workflow tokens follow principle of least privilege CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Binary-Artifacts 🟢 9 binaries present in source code Fuzzing 🟢 10 project is fuzzed License 🟢 10 license file detected Pinned-Dependencies 🟢 10 all dependencies are pinned Signed-Releases ⚠️ -1 no releases found Branch-Protection ⚠️ 0 branch protection not enabled on development/release branches Vulnerabilities 🟢 10 0 existing vulnerabilities detected Packaging 🟢 10 packaging workflow detected SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0
maven/com.google.code.gson:gson		🟢 9.5	Details Check Score Reason Code-Review 🟢 10 all changesets reviewed Dependency-Update-Tool 🟢 10 update tool detected Maintained 🟢 10 23 commit(s) and 4 issue activity found in the last 90 days -- score normalized to 10 Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Binary-Artifacts 🟢 10 no binaries found in the repo Pinned-Dependencies 🟢 7 dependency not pinned by hash detected -- score normalized to 7 Token-Permissions 🟢 10 GitHub workflow tokens follow principle of least privilege Packaging ⚠️ -1 packaging workflow not detected Signed-Releases ⚠️ -1 no releases found CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected SAST 🟢 10 SAST tool is run on all commits Vulnerabilities 🟢 10 0 existing vulnerabilities detected Fuzzing 🟢 10 project is fuzzed License 🟢 10 license file detected Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md Security-Policy 🟢 10 security policy file detected CI-Tests 🟢 10 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 Contributors 🟢 10 project has 11 contributing companies or organizations
maven/de.splatgames.aether.datafixers:aether-datafixers-api		Unknown	Unknown
maven/de.splatgames.aether.datafixers:aether-datafixers-cli		Unknown	Unknown
maven/de.splatgames.aether.datafixers:aether-datafixers-codec		Unknown	Unknown
maven/de.splatgames.aether.datafixers:aether-datafixers-core		Unknown	Unknown
maven/de.splatgames.aether.datafixers:aether-datafixers-schema-tools		Unknown	Unknown
maven/de.splatgames.aether.datafixers:aether-datafixers-spring-boot-starter		Unknown	Unknown
maven/de.splatgames.aether.datafixers:aether-datafixers-testkit		Unknown	Unknown
maven/org.apache.maven.plugins:maven-failsafe-plugin		Unknown	Unknown
maven/org.apache.maven.plugins:maven-surefire-plugin		🟢 4.9	Details Check Score Reason Maintained 🟢 10 20 commit(s) and 11 issue activity found in the last 90 days -- score normalized to 10 Packaging ⚠️ -1 packaging workflow not detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Code-Review 🟢 4 Found 6/13 approved changesets -- score normalized to 4 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions License 🟢 10 license file detected Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md Signed-Releases ⚠️ -1 no releases found Security-Policy 🟢 10 security policy file detected Fuzzing ⚠️ 0 project is not fuzzed Binary-Artifacts 🟢 10 no binaries found in the repo Pinned-Dependencies ⚠️ 0 dependency not pinned by hash detected -- score normalized to 0 SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0 Vulnerabilities ⚠️ 0 26 existing vulnerabilities detected
maven/org.assertj:assertj-core		Unknown	Unknown
maven/org.junit.jupiter:junit-jupiter		🟢 8.3	Details Check Score Reason Maintained 🟢 10 30 commit(s) and 21 issue activity found in the last 90 days -- score normalized to 10 Dependency-Update-Tool 🟢 10 update tool detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Packaging ⚠️ -1 packaging workflow not detected Code-Review ⚠️ 0 Found 2/21 approved changesets -- score normalized to 0 Security-Policy 🟢 10 security policy file detected Token-Permissions 🟢 10 GitHub workflow tokens follow principle of least privilege Binary-Artifacts 🟢 9 binaries present in source code Pinned-Dependencies 🟢 10 all dependencies are pinned License 🟢 10 license file detected Vulnerabilities 🟢 10 0 existing vulnerabilities detected CII-Best-Practices 🟢 5 badge detected: Passing Signed-Releases ⚠️ -1 no releases found Fuzzing ⚠️ 0 project is not fuzzed SAST 🟢 10 SAST tool is run on all commits Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md CI-Tests 🟢 10 12 out of 12 merged PRs checked by a CI test -- score normalized to 10 Contributors 🟢 10 project has 61 contributing companies or organizations
maven/org.springframework.boot:spring-boot-starter-test	3.4.1	🟢 5.7	Details Check Score Reason Code-Review ⚠️ 0 Found 0/30 approved changesets -- score normalized to 0 Maintained 🟢 10 30 commit(s) and 30 issue activity found in the last 90 days -- score normalized to 10 Packaging ⚠️ -1 packaging workflow not detected CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected License 🟢 10 license file detected Token-Permissions 🟢 10 GitHub workflow tokens follow principle of least privilege Security-Policy 🟢 10 security policy file detected Branch-Protection 🟢 3 branch protection is not maximal on development and all release branches Signed-Releases ⚠️ -1 no releases found SAST ⚠️ 0 no SAST tool detected Binary-Artifacts 🟢 5 binaries present in source code Fuzzing 🟢 10 project is fuzzed Pinned-Dependencies 🟢 4 dependency not pinned by hash detected -- score normalized to 4 Vulnerabilities ⚠️ 0 11 existing vulnerabilities detected
maven/org.yaml:snakeyaml		Unknown	Unknown
maven/org.apache.maven.plugins:maven-failsafe-plugin	3.1.2	Unknown	Unknown

Scanned Files

• .github/workflows/ci.yml
• aether-datafixers-functional-tests/pom.xml
• pom.xml