fix(prefer-expect-assertions): properly handle checking across multiple tests (#1089)

Author: G-Rath

src/rules/__tests__/prefer-expect-assertions.test.ts

@@ -816,6 +816,20 @@ ruleTester.run('prefer-expect-assertions (callbacks)', rule, {
       `,
       options: [{ onlyFunctionsWithExpectInCallback: true }],
     },
+    {
+      code: dedent`
+        it('is a test', () => {
+          expect(expected).toBe(actual);
+        });
+
+        describe('my test', () => {
+          it('is another test', () => {
+            expect(expected).toBe(actual);
+          });
+        });
+      `,
+      options: [{ onlyFunctionsWithExpectInCallback: true }],
+    },
   ],
   invalid: [
     {

src/rules/prefer-expect-assertions.ts

@@ -178,6 +178,8 @@ export default createRule<[RuleOptions], MessageIds>({
           return;
         }
 
+        inTestCaseCall = false;
+
         if (node.arguments.length < 2) {
           return;
         }