chore(docs): make throwing matcher example explicit (#10385)

Author: lumosmind

docs/UsingMatchers.md

@@ -146,12 +146,12 @@ function compileAndroidCode() {
 }
 
 test('compiling android goes as expected', () => {
-  expect(compileAndroidCode).toThrow();
-  expect(compileAndroidCode).toThrow(Error);
+  expect(() => compileAndroidCode()).toThrow();
+  expect(() => compileAndroidCode()).toThrow(Error);
 
   // You can also use the exact error message or a regexp
-  expect(compileAndroidCode).toThrow('you are using the wrong JDK');
-  expect(compileAndroidCode).toThrow(/JDK/);
+  expect(() => compileAndroidCode()).toThrow('you are using the wrong JDK');
+  expect(() => compileAndroidCode()).toThrow(/JDK/);
 });
 ```
 

website/versioned_docs/version-22.x/UsingMatchers.md

@@ -147,12 +147,12 @@ function compileAndroidCode() {
 }
 
 test('compiling android goes as expected', () => {
-  expect(compileAndroidCode).toThrow();
-  expect(compileAndroidCode).toThrow(Error);
+  expect(() => compileAndroidCode()).toThrow();
+  expect(() => compileAndroidCode()).toThrow(Error);
 
   // You can also use the exact error message or a regexp
-  expect(compileAndroidCode).toThrow('you are using the wrong JDK');
-  expect(compileAndroidCode).toThrow(/JDK/);
+  expect(() => compileAndroidCode()).toThrow('you are using the wrong JDK');
+  expect(() => compileAndroidCode()).toThrow(/JDK/);
 });
 ```