diff --git a/test-utils/src/index.js b/test-utils/src/index.js
index f8df33393d..b6efc22d40 100644
--- a/test-utils/src/index.js
+++ b/test-utils/src/index.js
@@ -35,14 +35,17 @@ export function act(cb) {
 		try {
 			const result = cb();
 			if (isThenable(result)) {
-				return result.then(() => {
-					--actDepth;
-				}, (e) => {
-					--actDepth;
-					throw e;
-				})
+				return result.then(
+					() => {
+						--actDepth;
+					},
+					e => {
+						--actDepth;
+						throw e;
+					}
+				);
 			}
-		} catch(e) {
+		} catch (e) {
 			--actDepth;
 			throw e;
 		}
diff --git a/test-utils/test/shared/act.test.js b/test-utils/test/shared/act.test.js
index af9823b906..0df1d02089 100644
--- a/test-utils/test/shared/act.test.js
+++ b/test-utils/test/shared/act.test.js
@@ -389,7 +389,7 @@ describe('act', () => {
 			act(() => {
 				tryRenderBroken();
 			});
-		}
+		};
 
 		describe('synchronously', () => {
 			it('should rethrow the exception', () => {
@@ -407,7 +407,7 @@ describe('act', () => {
 				renderWorking();
 				expect(scratch.textContent).to.equal('1');
 			});
-			
+
 			it('should not affect effects in future renders', () => {
 				tryRenderBroken();
 				renderWorking();