VM: Re-format to use at most one newline between functions

runtime/vm/log_test.cc

Index: runtime/vm/log_test.cc
diff --git a/runtime/vm/log_test.cc b/runtime/vm/log_test.cc
index aa95f094660d5761e6d55d06979e0dcb4e88f561..ea4670e62770d85ece949fbe17e4c625c309e45b 100644
--- a/runtime/vm/log_test.cc
+++ b/runtime/vm/log_test.cc
@@ -54,7 +54,6 @@ class LogTestHelper : public AllStatic {
   }
 };
 
-
 TEST_CASE(Log_Macro) {
   test_output_ = NULL;
   Log* log = Log::Current();
@@ -67,7 +66,6 @@ TEST_CASE(Log_Macro) {
   LogTestHelper::FreeTestOutput();
 }
 
-
 TEST_CASE(Log_Basic) {
   test_output_ = NULL;
   Log* log = new Log(TestPrinter);
@@ -80,7 +78,6 @@ TEST_CASE(Log_Basic) {
   LogTestHelper::FreeTestOutput();
 }
 
-
 TEST_CASE(Log_Block) {
   test_output_ = NULL;
   Log* log = new Log(TestPrinter);