Removed string concatenation in logging (#633)

* removed string concatenation in logging

* improved unit tests assertions

* Revert "improved unit tests assertions"

This reverts commit 96b9a7b.

* removed unnecessary logging

Author: Abigael-JT

src/main/java/com/teragrep/pth_10/ast/time/RelativeTimeParser.java

@@ -112,7 +112,7 @@ public RelativeTimestamp parse(String timestamp) {
             // split the timestamp to offset (before @) and snap-to-time (after @)
             String offsetTimestamp = timestamp.substring(0, timestamp.indexOf("@"));
             String snapTimestamp = timestamp.substring(timestamp.indexOf('@') + 1);
-            LOGGER.info("Snaptime=" + snapTimestamp);
+            LOGGER.info("Snaptime= <{}>", snapTimestamp);
 
             offset = parseRelativeOffset(offsetTimestamp);
             snap = parseSnapToTime(snapTimestamp);

src/test/java/com/teragrep/pth_10/CatalystVisitorTest.java

@@ -138,9 +138,6 @@ void searchQueryWithTimestampTest() {
                 DPLParserCatalystContext ctx = this.streamingTestUtil.getCtx();
 
                 String result = ctx.getSparkQuery();
-                LOGGER.info("Query=" + q);
-                LOGGER.info("Expected=" + e);
-                LOGGER.info("Result=" + result);
                 Assertions.assertEquals(e, result);
             }
             catch (ParseException e) {