diff --git a/measure/src/main/scala/org/apache/griffin/measure/execution/Measure.scala b/measure/src/main/scala/org/apache/griffin/measure/execution/Measure.scala
index c387aaa..dbdd81c 100644
--- a/measure/src/main/scala/org/apache/griffin/measure/execution/Measure.scala
+++ b/measure/src/main/scala/org/apache/griffin/measure/execution/Measure.scala
@@ -23,10 +23,10 @@
 import org.apache.spark.sql.{Column, DataFrame, SparkSession}
 import org.apache.spark.sql.functions._
 
-import org.apache.griffin.measure.configuration.dqdefinition.MeasureParam
-import org.apache.griffin.measure.utils.ParamUtil._
 import org.apache.griffin.measure.Loggable
+import org.apache.griffin.measure.configuration.dqdefinition.MeasureParam
 import org.apache.griffin.measure.context.DQContext
+import org.apache.griffin.measure.utils.ParamUtil._
 
 trait Measure extends Loggable {
   import Measure._
@@ -34,6 +34,7 @@
   val measureParam: MeasureParam
 
   val supportsRecordWrite: Boolean
+
   val supportsMetricWrite: Boolean
 
   final val valueColumn = s"${MeasureColPrefix}_${measureParam.getName}"
diff --git a/measure/src/main/scala/org/apache/griffin/measure/execution/MeasureExecutor.scala b/measure/src/main/scala/org/apache/griffin/measure/execution/MeasureExecutor.scala
index f5d939a..ab51a7a 100644
--- a/measure/src/main/scala/org/apache/griffin/measure/execution/MeasureExecutor.scala
+++ b/measure/src/main/scala/org/apache/griffin/measure/execution/MeasureExecutor.scala
@@ -19,8 +19,8 @@
 
 import org.apache.spark.sql.DataFrame
 
-import org.apache.griffin.measure.configuration.dqdefinition.MeasureParam
 import org.apache.griffin.measure.Loggable
+import org.apache.griffin.measure.configuration.dqdefinition.MeasureParam
 import org.apache.griffin.measure.configuration.enums.{MeasureTypes, OutputType}
 import org.apache.griffin.measure.context.DQContext
 import org.apache.griffin.measure.execution.impl._
diff --git a/measure/src/main/scala/org/apache/griffin/measure/execution/impl/ProfilingMeasure.scala b/measure/src/main/scala/org/apache/griffin/measure/execution/impl/ProfilingMeasure.scala
index 61ee948..f04e50d 100644
--- a/measure/src/main/scala/org/apache/griffin/measure/execution/impl/ProfilingMeasure.scala
+++ b/measure/src/main/scala/org/apache/griffin/measure/execution/impl/ProfilingMeasure.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.griffin.measure.execution.impl
 
 import java.util.Locale
@@ -78,13 +95,13 @@
   /**
    * Options Keys
    */
-   final val RoundScaleStr: String = "round.scale"
-   final val ApproxDistinctCountStr: String = "approx.distinct.count"
+  final val RoundScaleStr: String = "round.scale"
+  final val ApproxDistinctCountStr: String = "approx.distinct.count"
 
   /**
    * Structure Keys
    */
-   final val ColumnDetails: String = "column_details"
+  final val ColumnDetails: String = "column_details"
   private final val DataTypeStr: String = "data_type"
 
   /**
@@ -129,11 +146,13 @@
     val lengthColExpr = col(lengthColFn(colName))
     val nullColExpr = col(nullsInColFn(colName))
     val (distinctCountName, distinctCountExpr) =
-      if (approxDistinctCount)
+      if (approxDistinctCount) {
         (
           lit(s"$ApproxPrefix$DistinctCount"),
           approx_count_distinct(column).as(s"$ApproxPrefix$DistinctCount"))
-      else (lit(DistinctCount), countDistinct(column).as(DistinctCount))
+      } else {
+        (lit(DistinctCount), countDistinct(column).as(DistinctCount))
+      }
 
     Seq(
       Seq(lit(DataTypeStr), lit(colType.catalogString).as(DataTypeStr)),
diff --git a/measure/src/main/scala/org/apache/griffin/measure/execution/impl/SparkSQLMeasure.scala b/measure/src/main/scala/org/apache/griffin/measure/execution/impl/SparkSQLMeasure.scala
index b32aa42..851cb01 100644
--- a/measure/src/main/scala/org/apache/griffin/measure/execution/impl/SparkSQLMeasure.scala
+++ b/measure/src/main/scala/org/apache/griffin/measure/execution/impl/SparkSQLMeasure.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.griffin.measure.execution.impl
 
 import io.netty.util.internal.StringUtil
diff --git a/measure/src/test/scala/org/apache/griffin/measure/execution/impl/AccuracyMeasureTest.scala b/measure/src/test/scala/org/apache/griffin/measure/execution/impl/AccuracyMeasureTest.scala
index be596e3..fbbfc1b 100644
--- a/measure/src/test/scala/org/apache/griffin/measure/execution/impl/AccuracyMeasureTest.scala
+++ b/measure/src/test/scala/org/apache/griffin/measure/execution/impl/AccuracyMeasureTest.scala
@@ -75,33 +75,15 @@
     // Invalid Expr as target.col is missing
     assertThrows[AssertionError] {
       AccuracyMeasure(
-        param.copy(
-          config = Map(Expression -> Seq(Map(SourceColStr -> "b")), TargetSourceStr -> "target")))
+        param.copy(config =
+          Map(Expression -> Seq(Map(SourceColStr -> "b")), TargetSourceStr -> "target")))
     }
 
     // Invalid Expr as source.col is missing
     assertThrows[AssertionError] {
       AccuracyMeasure(
-        param.copy(
-          config = Map(Expression -> Seq(Map(TargetColStr -> "b")), TargetSourceStr -> "target")))
-    }
-
-    // Invalid Expr as provided source.col is invalid
-    assertThrows[AssertionError] {
-      AccuracyMeasure(
-        param.copy(
-          config = Map(
-            Expression -> Seq(Map(SourceColStr -> "b", TargetColStr -> "b")),
-            TargetSourceStr -> "target")))
-    }
-
-    // Invalid Expr as provided target.col is invalid
-    assertThrows[AssertionError] {
-      AccuracyMeasure(
-        param.copy(
-          config = Map(
-            Expression -> Seq(Map(SourceColStr -> "gender", TargetColStr -> "b")),
-            TargetSourceStr -> "target")))
+        param.copy(config =
+          Map(Expression -> Seq(Map(TargetColStr -> "b")), TargetSourceStr -> "target")))
     }
 
     // Validations for Target source
@@ -109,8 +91,8 @@
     // Empty
     assertThrows[AssertionError] {
       AccuracyMeasure(
-        param.copy(
-          config = Map(Expression -> Seq(Map("a" -> "b")), TargetSourceStr -> StringUtils.EMPTY)))
+        param.copy(config =
+          Map(Expression -> Seq(Map("a" -> "b")), TargetSourceStr -> StringUtils.EMPTY)))
     }
 
     // Incorrect Type
diff --git a/measure/src/test/scala/org/apache/griffin/measure/execution/impl/DuplicationMeasureTest.scala b/measure/src/test/scala/org/apache/griffin/measure/execution/impl/DuplicationMeasureTest.scala
index 7fed3d9..b3c2c4f 100644
--- a/measure/src/test/scala/org/apache/griffin/measure/execution/impl/DuplicationMeasureTest.scala
+++ b/measure/src/test/scala/org/apache/griffin/measure/execution/impl/DuplicationMeasureTest.scala
@@ -67,17 +67,20 @@
 
     // Empty
     assertThrows[AssertionError] {
-      DuplicationMeasure(param.copy(config = Map(Expression -> "name", BadRecordDefinition -> "")))
+      DuplicationMeasure(
+        param.copy(config = Map(Expression -> "name", BadRecordDefinition -> "")))
     }
 
     // Null
     assertThrows[AssertionError] {
-      DuplicationMeasure(param.copy(config = Map(Expression -> "name", BadRecordDefinition -> null)))
+      DuplicationMeasure(
+        param.copy(config = Map(Expression -> "name", BadRecordDefinition -> null)))
     }
 
     // Incorrect Type
     assertThrows[AssertionError] {
-      DuplicationMeasure(param.copy(config = Map(Expression -> "name", BadRecordDefinition -> 435)))
+      DuplicationMeasure(
+        param.copy(config = Map(Expression -> "name", BadRecordDefinition -> 435)))
     }
 
     // Incorrect Value
@@ -113,7 +116,6 @@
     assertResult(param.getType.toString)(row.getAs[String](MeasureType))
 
     val metricMap = row.getAs[Map[String, String]](Metrics)
-    println(metricMap)
     assertResult(metricMap(Duplicate))("0")
     assertResult(metricMap(Unique))("5")
     assertResult(metricMap(NonUnique))("0")
diff --git a/measure/src/test/scala/org/apache/griffin/measure/execution/impl/SparkSqlMeasureTest.scala b/measure/src/test/scala/org/apache/griffin/measure/execution/impl/SparkSqlMeasureTest.scala
index eed4b46..31f73e7 100644
--- a/measure/src/test/scala/org/apache/griffin/measure/execution/impl/SparkSqlMeasureTest.scala
+++ b/measure/src/test/scala/org/apache/griffin/measure/execution/impl/SparkSqlMeasureTest.scala
@@ -66,8 +66,8 @@
     // Empty
     assertThrows[AssertionError] {
       SparkSQLMeasure(
-        param.copy(
-          config = Map(Expression -> "select 1", BadRecordDefinition -> StringUtils.EMPTY)))
+        param.copy(config =
+          Map(Expression -> "select 1", BadRecordDefinition -> StringUtils.EMPTY)))
     }
 
     // Incorrect Type
@@ -117,8 +117,8 @@
   it should "throw runtime error for invalid expr" in {
     assertThrows[AssertionError] {
       SparkSQLMeasure(
-        param.copy(
-          config = Map(Expression -> "select * from source", BadRecordDefinition -> "name")))
+        param.copy(config =
+          Map(Expression -> "select * from source", BadRecordDefinition -> "name")))
         .execute(context)
     }