Fix formatting

test/sse-session/async-push-iterator.test.ts

@@ -24,7 +24,7 @@ const testPushComposedPushAndConsume = async (): Promise<void> => {
     const iterator = new AsyncPushIterator<number>();
 
     const result = new Promise<number[]>((resolve) => {
-        void (async () => {
+        void (async (): Promise<void> => {
             resolve(await collectAll(iterator));
         })();
     });
@@ -62,7 +62,7 @@ const testPushComposedResolvesWithNoValues = async (): Promise<void> => {
     const iterator = new AsyncPushIterator<number>();
 
     const result = new Promise<number[]>((resolve) => {
-        void (async () => {
+        void (async (): Promise<void> => {
             resolve(await collectAll(iterator));
         })();
     });
@@ -79,7 +79,7 @@ const testPushComposedIgnoresValuesAfterClose = async (): Promise<void> => {
     const iterator = new AsyncPushIterator<number>();
 
     const result = new Promise<number[]>((resolve) => {
-        void (async () => {
+        void (async (): Promise<void> => {
             resolve(await collectAll(iterator));
         })();
     });
@@ -106,14 +106,14 @@ const testPushComposedRejectsMultipleConsumers = async (): Promise<void> => {
 
     const successfulIterator = (): Promise<number[]> =>
         new Promise((resolve) => {
-            void (async () => {
+            void (async (): Promise<void> => {
                 resolve(await collectAll(iterator));
             })();
         });
 
     const failedIterator = (): Promise<void> =>
         new Promise((resolve, reject) => {
-            void (async () => {
+            void (async (): Promise<void> => {
                 try {
                     /* eslint-disable-next-line */
                     for await (const _value of iterator) {