diff --git a/tests/cases/fourslash/server/brace.ts b/tests/cases/fourslash/server/brace01.ts
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rename from tests/cases/fourslash/server/brace.ts
rename to tests/cases/fourslash/server/brace01.ts
diff --git a/tests/cases/fourslash/server/completions.ts b/tests/cases/fourslash/server/completions01.ts
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rename from tests/cases/fourslash/server/completions.ts
rename to tests/cases/fourslash/server/completions01.ts
diff --git a/tests/cases/fourslash/server/completions2.ts b/tests/cases/fourslash/server/completions02.ts
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rename from tests/cases/fourslash/server/completions2.ts
rename to tests/cases/fourslash/server/completions02.ts
diff --git a/tests/cases/fourslash/server/definition.ts b/tests/cases/fourslash/server/definition01.ts
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rename from tests/cases/fourslash/server/definition.ts
rename to tests/cases/fourslash/server/definition01.ts
diff --git a/tests/cases/fourslash/server/format.ts b/tests/cases/fourslash/server/format01.ts
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rename from tests/cases/fourslash/server/format.ts
rename to tests/cases/fourslash/server/format01.ts
diff --git a/tests/cases/fourslash/server/formatonkey.ts b/tests/cases/fourslash/server/formatonkey01.ts
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rename from tests/cases/fourslash/server/formatonkey.ts
rename to tests/cases/fourslash/server/formatonkey01.ts
diff --git a/tests/cases/fourslash/server/navbar.ts b/tests/cases/fourslash/server/navbar01.ts
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rename from tests/cases/fourslash/server/navbar.ts
rename to tests/cases/fourslash/server/navbar01.ts
diff --git a/tests/cases/fourslash/server/navto.ts b/tests/cases/fourslash/server/navto01.ts
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rename from tests/cases/fourslash/server/navto.ts
rename to tests/cases/fourslash/server/navto01.ts
diff --git a/tests/cases/fourslash/server/quickinfo.ts b/tests/cases/fourslash/server/quickinfo01.ts
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rename from tests/cases/fourslash/server/quickinfo.ts
rename to tests/cases/fourslash/server/quickinfo01.ts
diff --git a/tests/cases/fourslash/server/references.ts b/tests/cases/fourslash/server/references01.ts
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rename from tests/cases/fourslash/server/references.ts
rename to tests/cases/fourslash/server/references01.ts
diff --git a/tests/cases/fourslash/server/rename.ts b/tests/cases/fourslash/server/rename01.ts
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rename from tests/cases/fourslash/server/rename.ts
rename to tests/cases/fourslash/server/rename01.ts
diff --git a/tests/cases/fourslash/server/signatureHelp.ts b/tests/cases/fourslash/server/signatureHelp01.ts
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rename from tests/cases/fourslash/server/signatureHelp.ts
rename to tests/cases/fourslash/server/signatureHelp01.ts