chore: migrate test runner from Jest to Vitest#6937

Draft

FabienMotte wants to merge 31 commits intomasterfrom

chore/jest-to-vitest-migration

Commits on Mar 20, 2026

Commits on Mar 21, 2026

fix(types): remove leftover Jasmine type reference that polluted vitest globals
FabienMotte
committed
fix(tests): restore toMatchNormalizedInlineSnapshot, remove unused toMatchNormalizedSnapshot
FabienMotte
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fix(tests): drop vi.fn() type args for vitest 4 and remove unused imports
FabienMotte
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fix(tests): import Mock, MockInstance, MockedFunction types from vitest
FabienMotte
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fix(tests): fix vitest 4 Mock type params, implicit any, and spread arg errors
FabienMotte
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chore: add vite 8 to root devDependencies for correct type resolution
FabienMotte
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fix(tests): fix import order in insights-client-test
FabienMotte
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fix: normalize widget snapshots before inline assertions
FabienMotte
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fix: update CircleCI Vitest command for Vue v3 tests
FabienMotte
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chore: switch Vitest to threads in CI and test runners
FabienMotte
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test: remove obsolete common widget snapshots
FabienMotte
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fix: remove redundant esbuild config from Vitest
FabienMotte
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fix: resolve Vue 3 dependencies in Vitest config
FabienMotte
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fix: repair Vue 3 Vitest prep and snapshots
FabienMotte
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perf: switch test environment from jsdom to happy-dom
FabienMotte
committed