modified comments in English

commons/src/test/java/com/navercorp/pinpoint/common/bo/AgentStatCpuLoadBoTest.java

@@ -27,7 +27,7 @@ import com.navercorp.pinpoint.common.bo.AgentStatCpuLoadBo;
  */
 public class AgentStatCpuLoadBoTest {
 	
-	// CPU 사용량 소수점 2자리 표시
+	// for comparing CPU Usage up to 2 decimal places
 	private static final double DELTA = 1e-4;
 
 	@Test

commons/src/test/java/com/navercorp/pinpoint/common/bo/SpanBoTest.java

@@ -87,7 +87,7 @@ public class SpanBoTest {
         Assert.assertEquals(newSpanBo.getErrCode(), spanBo.getErrCode());
         Assert.assertEquals(newSpanBo.getFlag(), spanBo.getFlag());
 
-//        이건 serialize에서 안가져옴.
+//        not included for serialization
 //        Assert.assertEquals(newSpanBo.getTraceAgentStartTime(), spanBo.getTraceAgentStartTime());
 //        Assert.assertEquals(newSpanBo.getTraceTransactionSequence(), spanBo.getTraceTransactionSequence());
         Assert.assertEquals(newSpanBo.getParentSpanId(), spanBo.getParentSpanId());

commons/src/test/java/com/navercorp/pinpoint/common/bo/SpanEventBoTest.java

@@ -66,7 +66,7 @@ public class SpanEventBoTest {
         Assert.assertEquals(spanEventBo.getStartElapsed(), newSpanEventBo.getStartElapsed());
 
 
-        // 아래는 rowKeye에서 가져 오는값.
+        // we get these from the row key
         spanEventBo.setSpanId(1);
         newSpanEventBo.setSpanId(1);
         Assert.assertEquals(spanEventBo.getSpanId(), newSpanEventBo.getSpanId());

commons/src/test/java/com/navercorp/pinpoint/common/buffer/AutomaticBufferTest.java

@@ -196,7 +196,6 @@ public class AutomaticBufferTest {
         Buffer buffer = new AutomaticBuffer(1);
         buffer.putPrefixedString(null);
         byte[] internalBuffer = buffer.getInternalBuffer();
-        // 상속 관계에 의해서 강제로 버퍼 사이즈를 늘어나지 않아도 되는데 사이즈가 늘어남.
         Assert.assertEquals(1, internalBuffer.length);
     }
 

commons/src/test/java/com/navercorp/pinpoint/common/buffer/FixedBufferTest.java

@@ -364,9 +364,9 @@ public class FixedBufferTest {
 
     @Test
     public void testPutSVar32() throws Exception {
-        // 63이 1바이트 경계.
+        // 63 is the boundary for a 1 byte number
         checkSVarInt(63, -1);
-        // 8191이 2바이트 경계
+        // 8191 is the boundary for a 2 byte number
         checkSVarInt((1024*8)-1, -1);
 
         checkSVarInt(3, -1);

commons/src/test/java/com/navercorp/pinpoint/common/util/SqlParserTest.java

@@ -122,7 +122,7 @@ public class SqlParserTest {
     @Test
     public void numberState() {
         assertEqual("123", "0#", "123");
-        // -가 진짜 숫자의 -인지 알려면 구문분석이 필요하므로 그냥 숫자만 치환한다.
+        // just converting numbers as it is too much work to find out if '-' represents a negative number, or is part of the SQL expression
         assertEqual("-123", "-0#", "123");
         assertEqual("+123", "+0#", "123");
         assertEqual("1.23", "0#", "1.23");
@@ -146,7 +146,7 @@ public class SqlParserTest {
         assertEqual("test_123", "test_123", "");
         assertEqual("test_ 123", "test_ 0#", "123");
 
-        // 사실 이건 불가능한 토큰임.
+        // this is effectively an impossible token
         assertEqual("123tst", "0#tst", "123");
     }
 
@@ -154,7 +154,7 @@ public class SqlParserTest {
     public void numberState2() {
         assertEqual("1.23e", "0#", "1.23e");
         assertEqual("1.23E", "0#", "1.23E");
-        // -가 진짜 숫자의 -인지 알려면 구문분석이 필요하므로 그냥 숫자만 치환한다.
+        // just converting numbers as it is too much work to find out if '-' represents a negative number, or is part of the SQL expression
         assertEqual("1.4e-10", "0#-1#", "1.4e,10");
 
     }