Fix should() to throw with no argument

third_party/WebKit/LayoutTests/webaudio/unit-tests/audit-expected.txt

Index: third_party/WebKit/LayoutTests/webaudio/unit-tests/audit-expected.txt
diff --git a/third_party/WebKit/LayoutTests/webaudio/unit-tests/audit-expected.txt b/third_party/WebKit/LayoutTests/webaudio/unit-tests/audit-expected.txt
index d73a520e125deea24a61dc976541e44e08dc17dd..92d5047e8588f46b75364076b5859ac9e4b824cd 100644
--- a/third_party/WebKit/LayoutTests/webaudio/unit-tests/audit-expected.txt
+++ b/third_party/WebKit/LayoutTests/webaudio/unit-tests/audit-expected.txt
@@ -15,6 +15,7 @@ PASS   OfflineAudioContext does exist.
 PASS   Setting foo1 to 0 did not throw an exception. 
 PASS   function () { var foo2 = bar; } threw ReferenceError: "bar is not defined". 
 PASS   function () { var foo3 = bar; } threw ReferenceError: "bar is not defined". 
+PASS   Calling should() with no argument threw Error: "Task.should:: requires at least 1 argument.". 
 PASS   3 < 5 is true. 
 PASS   false is false. 
 PASS   1 is equal to 1. 
@@ -30,7 +31,7 @@ PASS   The message is truthful!
 PASS   Decoding audio data with no argument rejected correctly with TypeError: Failed to execute 'decodeAudioData' on 'BaseAudioContext': 1 argument required, but only 0 present.. 
 PASS   Suspending OAC with no argument rejected correctly with TypeError. 
 PASS   Start OAC rendering resolved correctly. 
-PASS < [basic] All assertions passed. (total 19 assertions) 
+PASS < [basic] All assertions passed. (total 20 assertions) 
 PASS # AUDIT TASK RUNNER FINISHED: 2 tasks ran successfully. 
 Harness: the test ran to completion.