Add 365 regression tests for untested bug fixes#15615
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Add 32 new test files covering 30 areas of bug fixes that were merged without corresponding tests. Each test documents which PR/issue it prevents from regressing. Areas covered: - TestProperty.Equals ID-based equality (microsoft#15370) - TraitCollection.GetTraits with EqualityComparer (microsoft#15370, microsoft#15249) - CommandLineUtilities backslash-quote parsing (microsoft#15304) - ManagedNameParser F# method name unescaping (microsoft#4972) - ManagedNameParser edge cases (microsoft#15259, microsoft#15255) - Condition evaluation operations refactor (microsoft#15357) - Condition parsing and tokenization (microsoft#15357) - TrackableEvent subscribe/notify/wait (microsoft#4553) - PathConverter path replacement for UWP (microsoft#3367) - NullPathConverter singleton pattern (microsoft#3367) - PathConverter attachment handling (microsoft#3367) - PathConverter DiscoveryCriteria/TestRunCriteria (microsoft#3367) - DiscoveryDataAggregator source status tracking (microsoft#3381) - DiscoveryCompleteEventArgs status properties (microsoft#3381) - DiscoveryCriteria constructor behavior (microsoft#3381) - JsonDataSerializer discovery status (microsoft#3381) - JsonDataSerializer payload serialization (microsoft#3381) - LengthPrefixCommunicationChannel TrackableEvent (microsoft#4553) - TrxLogger WarnOnFileOverwrite parameter (microsoft#5141) - VSTestTask2 message parsing and error codes (microsoft#5115, microsoft#5113) - VSTestTask2 ANSI escape handling (microsoft#5084) - VSTestTask2 duration formatting (microsoft#4894) - TestHostManagerCallbacks error as informational (microsoft#5192) - ConsoleLogger MinimalTestResult timing fix (microsoft#5143) - TestResult timing properties (microsoft#5143, microsoft#4894) - TestCase serialization with traits (microsoft#15370) - TestObject property storage (microsoft#15370, microsoft#15249) - Condition ValidForProperties (microsoft#15357) Co-authored-by: Copilot <[email protected]>
# Conflicts: # src/Microsoft.TestPlatform.Common/ExtensionDecorators/SerialTestRunDecorator.cs # src/Microsoft.TestPlatform.Common/ExtensionDecorators/SerialTestRunDecoratorFrameworkHandle.cs # src/Microsoft.TestPlatform.CrossPlatEngine/Adapter/FrameworkHandle.cs # src/Microsoft.TestPlatform.ObjectModel/Adapter/Interfaces/IFrameworkHandle.cs
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This was referenced Mar 30, 2026
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Summary
Adds regression tests for bug fixes that were merged without test coverage, identified by auditing 61 PRs.
365 tests across 32 files covering:
Methodology
Audited merged PRs that fixed bugs but didn't include tests. For each fix, wrote a test that would have failed before the fix and passes after.
Co-authored-by: Copilot [email protected]