fix(prefer-expect-assertions): fix greedy regex

Author: jackfranklin

Diff for: rules/__tests__/prefer-expect-assertions.test.js

@@ -87,5 +87,7 @@ ruleTester.run('prefer-expect-assertions', rule, {
       '\n\t\t\texpect(someValue).toBe(true)\n' +
       '\t\t\t})',
     'test("it1")',
+    'itHappensToStartWithIt("foo", function() {})',
+    'testSomething("bar", function() {})',
   ],
 });

Diff for: rules/prefer-expect-assertions.js

@@ -54,7 +54,7 @@ module.exports = {
   },
   create(context) {
     return {
-      'CallExpression[callee.name=/^it|test$/][arguments.1.body.body]'(node) {
+      'CallExpression[callee.name=/^(it|test)$/][arguments.1.body.body]'(node) {
         const testFuncBody = node.arguments[1].body.body;
 
         if (!isFirstLineExprStmt(testFuncBody)) {