fix(docs): Fix syntax errors padding-around-test-blocks.md (#762)

Author: lonewolfyx

docs/rules/padding-around-test-blocks.md

@@ -18,13 +18,13 @@ Examples of **incorrect** code for this rule:
 
 ```js
 const someText = 'hoge';
-test("hoge" () => {});
+test("hoge", () => {});
 test('foo', () => {});
 ```
 
 ```js
 const someText = 'hoge';
-it("hoge" () => {});
+it("hoge", () => {});
 it('foo', () => {});
 ```
 
@@ -33,15 +33,15 @@ Examples of **correct** code for this rule:
 ```js
 const someText = 'hoge';
 
-test("hoge" () => {});
+test("hoge", () => {});
 
 test('foo', () => {});
 ```
 
 ```js
 const someText = 'hoge';
 
-it("hoge" () => {});
+it("hoge", () => {});
 
 it('foo', () => {});
 ```