Speed up all remaining unit tests below threshold (40ms?)

src/common/InputHandler.test.ts

@@ -2521,7 +2521,7 @@ describe('InputHandler', () => {
       const cpr: number[][] = [];
       inputHandler.registerCsiHandler({ final: 'H' }, async params => {
         cup.push(params.toArray() as number[]);
-        await new Promise(res => setTimeout(res, 50));
+        await Promise.resolve();
         // late call of real repositioning
         return inputHandler.cursorPosition(params);
       });
@@ -2536,7 +2536,7 @@ describe('InputHandler', () => {
     });
     it('async OSC between', async () => {
       inputHandler.registerOscHandler(1000, async data => {
-        await new Promise(res => setTimeout(res, 50));
+        await Promise.resolve();
         assert.deepEqual(getLines(bufferService, 2), ['hello world!', '']);
         assert.equal(data, 'some data');
         return true;
@@ -2546,7 +2546,7 @@ describe('InputHandler', () => {
     });
     it('async DCS between', async () => {
       inputHandler.registerDcsHandler({ final: 'a' }, async (data, params) => {
-        await new Promise(res => setTimeout(res, 50));
+        await Promise.resolve();
         assert.deepEqual(getLines(bufferService, 2), ['hello world!', '']);
         assert.equal(data, 'some data');
         assert.deepEqual(params.toArray(), [1, 2]);

src/common/input/WriteBuffer.test.ts

@@ -88,7 +88,7 @@ describe('WriteBuffer', () => {
     it('writeSync called from action does not overflow callstack - issue #3265', () => {
       wb = new WriteBuffer(data => {
         const num = parseInt(data as string);
-        if (num < 1000000) {
+        if (num < 10000) {
           wb.writeSync('' + (num + 1));
         }
       });

src/common/parser/DcsParser.test.ts

@@ -278,7 +278,7 @@ class TestHandlerAsync implements IDcsHandler {
   }
   public async unhook(success: boolean): Promise<boolean> {
     // simple sleep to check in tests whether ordering gets messed up
-    await new Promise(res => setTimeout(res, 20));
+    await Promise.resolve();
     this.output.push([this.msg, 'UNHOOK', success]);
     if (this.returnFalse) {
       return false;

src/common/parser/OscParser.test.ts

@@ -275,7 +275,7 @@ class TestHandlerAsync implements IOscHandler {
     this.output.push([this.msg, this.id, 'PUT', utf32ToString(data, start, end)]);
   }
   public async end(success: boolean): Promise<boolean> {
-    await new Promise(res => setTimeout(res, 20));
+    await Promise.resolve();
     this.output.push([this.msg, this.id, 'END', success]);
     if (this.returnFalse) {
       return false;