test: fix flaky

Author: antongolub

src/test/ts/ps.test.ts

@@ -93,7 +93,7 @@ describe('tree()', () => {
     const children = await tree(pid)
     const childrenAll = await tree({ pid, recursive: true })
 
-    await Promise.all(list.map(p => kill(p.pid)))
+    await Promise.all(list.map(p => kill(p.pid, 'SIGKILL')))
 
     assert.equal(children.length, 1)
     assert.equal(childrenAll.length, 2)
@@ -119,7 +119,7 @@ describe('treeSync()', () => {
     const children = treeSync(pid)
     const childrenAll = treeSync({ pid, recursive: true })
 
-    await Promise.all(list.map(p => kill(p.pid)))
+    await Promise.all(list.map(p => kill(p.pid, 'SIGKILL')))
 
     assert.equal(children.length, 1)
     assert.equal(childrenAll.length, 2)