diff --git a/.eslintrc.yml b/.eslintrc.yml
index 66567952f8..dbae3ae00b 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -637,7 +637,21 @@ overrides:
       import/no-restricted-paths: off
       import/no-extraneous-dependencies: [error, { devDependencies: true }]
       import/no-nodejs-modules: off
-      no-restricted-syntax: off
+      no-restricted-syntax: 0
+      # Below rules are disabled only for the migration period from Flow to TypeScript
+      # and they effect only tests files, to allow more flexible testing scenarios.
+      '@typescript-eslint/consistent-type-assertions':
+        [error, { assertionStyle: as, objectLiteralTypeAssertions: allow }]
+      '@typescript-eslint/no-non-null-assertion': off
+      '@typescript-eslint/restrict-plus-operands': off
+      '@typescript-eslint/no-floating-promises': off
+      '@typescript-eslint/no-invalid-this': off
+      '@typescript-eslint/no-throw-literal': off
+      '@typescript-eslint/require-await': off
+      '@typescript-eslint/await-thenable': off
+      'prefer-promise-reject-errors': 0
+      'no-new-wrappers': 0
+      'no-throw-literal': 0
   - files: 'resources/**'
     parserOptions:
       sourceType: script