diff --git a/tests/cases/fourslash/completionEntryForUnionMethod.ts b/tests/cases/fourslash/completionEntryForUnionMethod.ts
index f8b5b42f2a5..dd0e034cd2d 100644
--- a/tests/cases/fourslash/completionEntryForUnionMethod.ts
+++ b/tests/cases/fourslash/completionEntryForUnionMethod.ts
@@ -5,6 +5,7 @@
 
 goTo.marker();
 verify.quickInfoIs(
-    "(property) map: (<U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any) => U[]) | (<U>(callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any) => U[])",
-    "Calls a defined callback function on each element of an array, and returns an array that contains the results.");
-verify.completionListContains('map', "(property) map: (<U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any) => U[]) | (<U>(callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any) => U[])");
\ No newline at end of file
+    "(property) map: {\n    <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U];\n    <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U];\n    <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U];\n    <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U];\n    <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[];\n} | {\n    <U>(this: [number, number, number, number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U, U, U, U];\n    <U>(this: [number, number, number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U, U, U];\n    <U>(this: [number, number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U, U];\n    <U>(this: [number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U];\n    <U>(callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): U[];\n}",
+    "Calls a defined callback function on each element of an array, and returns an array that contains the results.\nCalls a defined callback function on each element of an array, and returns an array that contains the results.\nCalls a defined callback function on each element of an array, and returns an array that contains the results.\nCalls a defined callback function on each element of an array, and returns an array that contains the results.\nCalls a defined callback function on each element of an array, and returns an array that contains the results.");
+
+verify.completionListContains('map', "(property) map: {\n    <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U];\n    <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U];\n    <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U];\n    <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U];\n    <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[];\n} | {\n    <U>(this: [number, number, number, number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U, U, U, U];\n    <U>(this: [number, number, number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U, U, U];\n    <U>(this: [number, number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U, U];\n    <U>(this: [number, number], callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): [U, U];\n    <U>(callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any): U[];\n}");