diff --git a/tests/cases/fourslash/thisPredicateMemberCompletions.ts b/tests/cases/fourslash/thisPredicateMemberCompletions.ts
index 609ed248644..24ce742faac 100644
--- a/tests/cases/fourslash/thisPredicateMemberCompletions.ts
+++ b/tests/cases/fourslash/thisPredicateMemberCompletions.ts
@@ -1,76 +1,76 @@
 /// <reference path="fourslash.ts" />
 
 //// class FileSystemObject {
-//// 	get is/*1*/File(): this is Item {
-//// 		return this instanceof Item;
-//// 	}
-//// 	set is/*2*/File(param) {
-//// 		// noop
-//// 	}
-//// 	get is/*3*/Directory(): this is Directory {
-//// 		return this instanceof Directory;
-//// 	}
-//// 	is/*4*/Networked: this is (Networked & this);
-//// 	constructor(public path: string) {}
+////     get is/*1*/File(): this is Item {
+////         return this instanceof Item;
+////     }
+////     set is/*2*/File(param) {
+////         // noop
+////     }
+////     get is/*3*/Directory(): this is Directory {
+////         return this instanceof Directory;
+////     }
+////     is/*4*/Networked: this is (Networked & this);
+////     constructor(public path: string) {}
 //// }
 ////
 //// class Item extends FileSystemObject {
-//// 	constructor(path: string, public content: string) { super(path); }
+////     constructor(path: string, public content: string) { super(path); }
 //// }
 //// class Directory extends FileSystemObject {
-//// 	children: FileSystemObject[];
+////     children: FileSystemObject[];
 //// }
 //// interface Networked {
-//// 	host: string;
+////     host: string;
 //// }
 ////
 //// interface Sundries {
-//// 	broken: boolean;
+////     broken: boolean;
 //// }
 ////
 //// interface Supplies {
-//// 	spoiled: boolean;
+////     spoiled: boolean;
 //// }
 ////
 //// interface Crate<T> {
-//// 	contents: T;
-//// 	is/*5*/Sundries: this is Crate<Sundries>;
-//// 	is/*6*/Supplies: this is Crate<Supplies>;
-//// 	is/*7*/PackedTight: this is (this & {extraContents: T});
+////     contents: T;
+////     is/*5*/Sundries: this is Crate<Sundries>;
+////     is/*6*/Supplies: this is Crate<Supplies>;
+////     is/*7*/PackedTight: this is (this & {extraContents: T});
 //// }
 ////
 //// const obj: FileSystemObject = new Item("/foo", "");
 //// if (obj.is/*8*/File) {
-//// 	obj./*9*/;
-//// 	if (obj.is/*10*/Networked) {
-//// 		obj./*11*/;
-//// 	}
+////     obj./*9*/;
+////     if (obj.is/*10*/Networked) {
+////         obj./*11*/;
+////     }
 //// }
 //// if (obj.is/*12*/Directory) {
-//// 	obj./*13*/;
-//// 	if (obj.is/*14*/Networked) {
-//// 		obj./*15*/;
-//// 	}
+////     obj./*13*/;
+////     if (obj.is/*14*/Networked) {
+////         obj./*15*/;
+////     }
 //// }
 //// if (obj.is/*16*/Networked) {
-//// 	obj./*17*/;
+////     obj./*17*/;
 //// }
 ////
 //// const crate: Crate<any>;
 //// if (crate.is/*18*/PackedTight) {
-//// 	crate./*19*/;
+////     crate./*19*/;
 //// }
 //// if (crate.is/*20*/Sundries) {
-//// 	crate.contents./*21*/;
-//// 	if (crate.is/*22*/PackedTight) {
-//// 		crate./*23*/
-//// 	}
+////     crate.contents./*21*/;
+////     if (crate.is/*22*/PackedTight) {
+////         crate./*23*/
+////     }
 //// }
 //// if (crate.is/*24*/Supplies) {
-//// 	crate.contents./*25*/;
-//// 	if (crate.is/*26*/PackedTight) {
-//// 		crate./*27*/
-//// 	}
+////     crate.contents./*25*/;
+////     if (crate.is/*26*/PackedTight) {
+////         crate./*27*/
+////     }
 //// }
 
 goTo.marker("9");
diff --git a/tests/cases/fourslash/thisPredicateMemberQuickInfo.ts b/tests/cases/fourslash/thisPredicateMemberQuickInfo.ts
index dd596743902..20d519e0008 100644
--- a/tests/cases/fourslash/thisPredicateMemberQuickInfo.ts
+++ b/tests/cases/fourslash/thisPredicateMemberQuickInfo.ts
@@ -1,76 +1,76 @@
 /// <reference path="fourslash.ts" />
 
 //// class FileSystemObject {
-//// 	get is/*1*/File(): this is Item {
-//// 		return this instanceof Item;
-//// 	}
-//// 	set is/*2*/File(param) {
-//// 		// noop
-//// 	}
-//// 	get is/*3*/Directory(): this is Directory {
-//// 		return this instanceof Directory;
-//// 	}
-//// 	is/*4*/Networked: this is (Networked & this);
-//// 	constructor(public path: string) {}
+////     get is/*1*/File(): this is Item {
+////         return this instanceof Item;
+////     }
+////     set is/*2*/File(param) {
+////         // noop
+////     }
+////     get is/*3*/Directory(): this is Directory {
+////         return this instanceof Directory;
+////     }
+////     is/*4*/Networked: this is (Networked & this);
+////     constructor(public path: string) {}
 //// }
 ////
 //// class Item extends FileSystemObject {
-//// 	constructor(path: string, public content: string) { super(path); }
+////     constructor(path: string, public content: string) { super(path); }
 //// }
 //// class Directory extends FileSystemObject {
-//// 	children: FileSystemObject[];
+////     children: FileSystemObject[];
 //// }
 //// interface Networked {
-//// 	host: string;
+////     host: string;
 //// }
 ////
 //// interface Sundries {
-//// 	broken: boolean;
+////     broken: boolean;
 //// }
 ////
 //// interface Supplies {
-//// 	spoiled: boolean;
+////     spoiled: boolean;
 //// }
 ////
 //// interface Crate<T> {
-//// 	contents: T;
-//// 	is/*5*/Sundries: this is Crate<Sundries>;
-//// 	is/*6*/Supplies: this is Crate<Supplies>;
-//// 	is/*7*/PackedTight: this is (this & {extraContents: T});
+////     contents: T;
+////     is/*5*/Sundries: this is Crate<Sundries>;
+////     is/*6*/Supplies: this is Crate<Supplies>;
+////     is/*7*/PackedTight: this is (this & {extraContents: T});
 //// }
 ////
 //// const obj: FileSystemObject = new Item("/foo", "");
 //// if (obj.is/*8*/File) {
-//// 	obj./*9*/;
-//// 	if (obj.is/*10*/Networked) {
-//// 		obj./*11*/;
-//// 	}
+////     obj./*9*/;
+////     if (obj.is/*10*/Networked) {
+////         obj./*11*/;
+////     }
 //// }
 //// if (obj.is/*12*/Directory) {
-//// 	obj./*13*/;
-//// 	if (obj.is/*14*/Networked) {
-//// 		obj./*15*/;
-//// 	}
+////     obj./*13*/;
+////     if (obj.is/*14*/Networked) {
+////         obj./*15*/;
+////     }
 //// }
 //// if (obj.is/*16*/Networked) {
-//// 	obj./*17*/;
+////     obj./*17*/;
 //// }
 ////
 //// const crate: Crate<any>;
 //// if (crate.is/*18*/PackedTight) {
-//// 	crate./*19*/;
+////     crate./*19*/;
 //// }
 //// if (crate.is/*20*/Sundries) {
-//// 	crate.contents./*21*/;
-//// 	if (crate.is/*22*/PackedTight) {
-//// 		crate./*23*/
-//// 	}
+////     crate.contents./*21*/;
+////     if (crate.is/*22*/PackedTight) {
+////         crate./*23*/
+////     }
 //// }
 //// if (crate.is/*24*/Supplies) {
-//// 	crate.contents./*25*/;
-//// 	if (crate.is/*26*/PackedTight) {
-//// 		crate./*27*/
-//// 	}
+////     crate.contents./*25*/;
+////     if (crate.is/*26*/PackedTight) {
+////         crate./*27*/
+////     }
 //// }
 
 goTo.marker("1");