diff --git a/src/test/java/com/google/cloud/solutions/spannerddl/parser/DDLParserTest.java b/src/test/java/com/google/cloud/solutions/spannerddl/parser/DDLParserTest.java
index ed1d972..a249ab2 100644
--- a/src/test/java/com/google/cloud/solutions/spannerddl/parser/DDLParserTest.java
+++ b/src/test/java/com/google/cloud/solutions/spannerddl/parser/DDLParserTest.java
@@ -73,8 +73,8 @@ public void parseCreateTable() throws ParseException {
                     + "     test.other_table ( other_col1, other_col2 ) ON DELETE CASCADE, \n"
                     + "  CONSTRAINT fk_col_remote2 FOREIGN KEY ( col1 ) REFERENCES test.other_table\n"
                     + "     ( other_col1 ) ON DELETE NO ACTION, \n"
-                    + "  CONSTRAINT check_some_value CHECK (( length ( sizedstring ) > 100 OR \n"
-                    + "     sizedstring = \"xxx\" ) AND boolcol = TRUE AND intcol > -123.4 AND \n"
+                    + "  CONSTRAINT check_some_value CHECK (( length ( sizedstring ) > 100 or \n"
+                    + "     sizedstring = \"xxx\" ) AND boolcol = true and intcol > -123.4 and \n"
                     + "     numericcol < 1.5)\n"
                     + ")\n"
                     + "PRIMARY KEY (intcol ASC, floatcol DESC, boolcol ASC), \n"
diff --git a/src/test/resources/expectedDdlDiff.txt b/src/test/resources/expectedDdlDiff.txt
index ec6be35..26af2f7 100644
--- a/src/test/resources/expectedDdlDiff.txt
+++ b/src/test/resources/expectedDdlDiff.txt
@@ -105,24 +105,24 @@ DROP TABLE test2
 ALTER TABLE test1 ADD COLUMN col3 INT64
 CREATE TABLE test3 ( col1 INT64 ) PRIMARY KEY (col1 ASC)
 CREATE INDEX index1 ON test1 ( col3 ASC )
-ALTER TABLE test3 ADD CONSTRAINT ch_in_test3 CHECK (col1 = col3 AND col1 > 100 AND col2 < -50)
+ALTER TABLE test3 ADD CONSTRAINT ch_in_test3 CHECK (col1 = col3 and col1 > 100 and col2 < -50)
 ALTER TABLE test3 ADD CONSTRAINT fk_in_test3 FOREIGN KEY ( col3 ) REFERENCES othertable ( othercol ) ON DELETE NO ACTION
-ALTER TABLE test1 ADD CONSTRAINT ch_in_test1 CHECK (col1 = col3 AND col1 > 100 AND col2 < -50)
+ALTER TABLE test1 ADD CONSTRAINT ch_in_test1 CHECK (col1 = col3 and col1 > 100 and col2 < -50)
 ALTER TABLE test1 ADD CONSTRAINT fk_in_test1 FOREIGN KEY ( col3 ) REFERENCES othertable ( othercol ) ON DELETE NO ACTION
 
 == TEST 16 add check constraint via alter statement
 
-ALTER TABLE test1 ADD CONSTRAINT ch_in_alter CHECK (col1 = col2 AND col1 > 100 AND col2 < -50)
+ALTER TABLE test1 ADD CONSTRAINT ch_in_alter CHECK (col1 = col2 and col1 > 100 and col2 < -50)
 
 == TEST 17 modify check constraint in table
 
 ALTER TABLE test1 DROP CONSTRAINT ch_in_table
-ALTER TABLE test1 ADD CONSTRAINT ch_in_table CHECK (col1 = col2 AND col1 > 200 AND col2 < -500)
+ALTER TABLE test1 ADD CONSTRAINT ch_in_table CHECK (col1 = col2 and col1 > 200 and col2 < -500)
 
 == TEST 18 modify check constraint via alter statement
 
 ALTER TABLE test1 DROP CONSTRAINT ch_in_alter
-ALTER TABLE test1 ADD CONSTRAINT ch_in_alter CHECK (col1 = col2 AND col1 > 200 AND col2 < -500)
+ALTER TABLE test1 ADD CONSTRAINT ch_in_alter CHECK (col1 = col2 and col1 > 200 and col2 < -500)
 
 == TEST 19 drop check constraint in table