Fix set log block in template

Summary: public

The log register function was updated, but the test example wasn't.

Reviewed By: javache

Differential Revision: D2658417

fb-gh-sync-id: 9ad27ec02eb437e0262e71897ff1a58a97e88b6d

Author: tadeuzagallo

local-cli/generator-ios/templates/tests/Tests.m

@@ -42,7 +42,7 @@ - (void)testRendersWelcomeScreen
   BOOL foundElement = NO;
 
   __block NSString *redboxError = nil;
-  RCTSetLogFunction(^(RCTLogLevel level, NSString *fileName, NSNumber *lineNumber, NSString *message) {
+  RCTSetLogFunction(^(RCTLogLevel level, RCTLogSource source, NSString *fileName, NSNumber *lineNumber, NSString *message) {
     if (level >= RCTLogLevelError) {
       redboxError = message;
     }