change way tests a run

cli/src/commands/__tests__/runTests-test.js

@@ -2,29 +2,30 @@
 import {run} from '../runTests';
 import {path} from '../../lib/node';
 
+const runTest = async () => {
+  jest.spyOn(console, 'log').mockImplementation(jest.fn());
+  const args = {
+    testPatterns: ['regression-1385_v1.x.x'],
+    numberOfFlowVersions: 2, // this can be reduced to 1 when latest flow release is not ignored
+    path: path.join(__dirname, '__runTests-fixtures__'),
+  };
+  return await run(args);
+}
+
 describe('run-tests (command)', () => {
   describe('regression 1385', () => {
-    const origConsoleLog = console.log;
-    let status;
-    beforeEach(async () => {
-      (console: any).log = jest.fn();
-      const args = {
-        testPatterns: ['regression-1385_v1.x.x'],
-        numberOfFlowVersions: 2, //this can be reduced to 1 when latest flow release is not ignored
-        path: path.join(__dirname, '__runTests-fixtures__'),
-      };
-      status = await run(args);
-    }, 30000);
-
     afterEach(() => {
-      (console: any).log = origConsoleLog;
+      jest.resetAllMocks();
     });
 
     it("returns error code if $FlowExpectedError test doesn't fail", async () => {
+      const status = await runTest();
       expect(status).toEqual(1);
     });
 
     it('console logs about unused suppression', async () => {
+      await runTest();
+
       const expectedError = `Unused suppression`;
       const calls = ((console.log: any): JestMockFn<any, any>).mock.calls;
       const lastErrorMsg = calls[calls.length - 1][1];