diff --git a/scripts/__tests__/npm-utils-test.js b/scripts/__tests__/npm-utils-test.js
index 18787db2f82..ce52428a159 100644
--- a/scripts/__tests__/npm-utils-test.js
+++ b/scripts/__tests__/npm-utils-test.js
@@ -4,6 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
+ * @flow strict-local
  * @format
  */
 
diff --git a/scripts/__tests__/scm-utils-test.js b/scripts/__tests__/scm-utils-test.js
index 83b553cd3e7..64bbacf1597 100644
--- a/scripts/__tests__/scm-utils-test.js
+++ b/scripts/__tests__/scm-utils-test.js
@@ -4,6 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
+ * @flow strict-local
  * @format
  */
 
@@ -23,7 +24,7 @@ jest
       console.log(message);
     },
     exit: exitCode => {
-      exit(exitCode);
+      process.exit(exitCode);
     },
     cp: cpMock,
   }))
diff --git a/scripts/releases/__tests__/__fixtures__/remove-new-arch-flags-fixture.js b/scripts/releases/__tests__/__fixtures__/remove-new-arch-flags-fixture.js
index fbce3795f87..2044ec3b204 100644
--- a/scripts/releases/__tests__/__fixtures__/remove-new-arch-flags-fixture.js
+++ b/scripts/releases/__tests__/__fixtures__/remove-new-arch-flags-fixture.js
@@ -4,6 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
+ * @flow strict
  * @format
  */