chore: run tests 10 times

jest.config.js

@@ -2,6 +2,7 @@
 export default {
   preset: 'ts-jest',
   testEnvironment: 'node',
+  setupFilesAfterEnv: ['./jest.setup.js'],
   testMatch: ['**/tests/**/*.test.ts', '**/?(*.)+(spec|test).ts'],
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
   transform: {

jest.setup.js

@@ -0,0 +1,16 @@
+const originalTest = global.test;
+const NUM_ITERATIONS = 10;
+
+global.test = (name, fn, timeout) => {
+  for (let i = 0; i < NUM_ITERATIONS; i++) {
+    originalTest(`${name} (iteration ${i + 1})`, fn, timeout);
+  }
+};
+
+const originalIt = global.it;
+
+global.it = (name, fn, timeout) => {
+  for (let i = 0; i < NUM_ITERATIONS; i++) {
+    originalIt(`${name} (iteration ${i + 1})`, fn, timeout);
+  }
+};