Fix failing tests

package.json

@@ -35,9 +35,6 @@
     "trailingComma": "es5"
   },
   "jest": {
-    "setupFiles": [
-      "<rootDir>/test/helpers.js"
-    ],
     "moduleFileExtensions": [
       "js",
       "ts"

src/rules/types.test.js

@@ -1,7 +1,65 @@
-/* global assertJSONBReport, assertTextReport, assertIdentityReport */
-
 import * as types from './types';
 
+const assertReport = (
+  mockReporter,
+  expectedRule,
+  expectedIdentifier,
+  expectedMessage,
+  expectedSuggestedMigration
+) => {
+  expect(mockReporter).toBeCalledWith(
+    expect.objectContaining({
+      rule: expectedRule,
+      identifier: expectedIdentifier,
+      message: expectedMessage,
+      suggestedMigration: expectedSuggestedMigration,
+    })
+  );
+};
+
+const assertJSONBReport = (
+  mockReporter,
+  expectedIdentifier,
+  expectedSuggestedMigration
+) => {
+  assertReport(
+    mockReporter,
+    'prefer-jsonb-to-json',
+    expectedIdentifier,
+    'Prefer JSONB to JSON types',
+    expectedSuggestedMigration
+  );
+};
+
+const assertTextReport = (
+  mockReporter,
+  expectedIdentifier,
+  expectedColumnType,
+  expectedSuggestedMigration
+) => {
+  assertReport(
+    mockReporter,
+    'prefer-text-to-varchar',
+    expectedIdentifier,
+    `Prefer text to ${expectedColumnType} types`,
+    expectedSuggestedMigration
+  );
+};
+
+const assertIdentityReport = (
+  mockReporter,
+  expectedIdentifier,
+  expectedSuggestedMigration
+) => {
+  assertReport(
+    mockReporter,
+    'prefer-identity-to-serial',
+    expectedIdentifier,
+    'Prefer IDENTITY to type SERIAL',
+    expectedSuggestedMigration
+  );
+};
+
 describe('types', () => {
   describe('prefer-jsonb-to-json', () => {
     it('no tables has no errors', () => {