diff --git a/driver/escaping/escape_sequences.h b/driver/escaping/escape_sequences.h
index e724d201f..0dc5018b1 100644
--- a/driver/escaping/escape_sequences.h
+++ b/driver/escaping/escape_sequences.h
@@ -2,4 +2,8 @@
 
 #include <string>
 
+/** Replaces ODBC escape-sequence into a ClickHouse SQL-dialect.
+ *
+ * In case of error, input is returned as-is, with no modifications.
+ */
 std::string replaceEscapeSequences(const std::string & query);
diff --git a/driver/test/escape_sequences_ut.cpp b/driver/test/escape_sequences_ut.cpp
index 65c587b33..c4157795e 100644
--- a/driver/test/escape_sequences_ut.cpp
+++ b/driver/test/escape_sequences_ut.cpp
@@ -37,32 +37,32 @@ TEST(EscapeSequencesCase, ParseIdent7) {
         "SELECT SUM(toInt64(`0 a b $ c`.abc.`0 a b $ c`))");
 }
 
-TEST(EscapeSequencesCase, ParseIdentX1) {
+TEST(EscapeSequencesCase, ParseIdent_Negative1) {
     ASSERT_EQ(replaceEscapeSequences("SELECT SUM({fn CONVERT(0 a b $ c, SQL_BIGINT)})"),
         "SELECT SUM({fn CONVERT(0 a b $ c, SQL_BIGINT)})");
 }
 
-TEST(EscapeSequencesCase, ParseIdentX2) {
+TEST(EscapeSequencesCase, ParseIdent_Negative2) {
     ASSERT_EQ(replaceEscapeSequences("SELECT SUM({fn CONVERT(.abc, SQL_BIGINT)})"),
         "SELECT SUM({fn CONVERT(.abc, SQL_BIGINT)})");
 }
 
-TEST(EscapeSequencesCase, ParseIdentX3) {
+TEST(EscapeSequencesCase, ParseIdent_Negative3) {
     ASSERT_EQ(replaceEscapeSequences("SELECT SUM({fn CONVERT(.`abc`, SQL_BIGINT)})"),
         "SELECT SUM({fn CONVERT(.`abc`, SQL_BIGINT)})");
 }
 
-TEST(EscapeSequencesCase, ParseIdentX4) {
+TEST(EscapeSequencesCase, ParseIdent_Negative4) {
     ASSERT_EQ(replaceEscapeSequences("SELECT SUM({fn CONVERT(abc., SQL_BIGINT)})"),
         "SELECT SUM({fn CONVERT(abc., SQL_BIGINT)})");
 }
 
-TEST(EscapeSequencesCase, ParseIdentX5) {
+TEST(EscapeSequencesCase, ParseIdent_Negative5) {
     ASSERT_EQ(replaceEscapeSequences("SELECT SUM({fn CONVERT(`abc`., SQL_BIGINT)})"),
         "SELECT SUM({fn CONVERT(`abc`., SQL_BIGINT)})");
 }
 
-TEST(EscapeSequencesCase, ParseIdentX6) {
+TEST(EscapeSequencesCase, ParseIdent_Negative6) {
     ASSERT_EQ(replaceEscapeSequences("SELECT SUM({fn CONVERT(abc..abc, SQL_BIGINT)})"),
         "SELECT SUM({fn CONVERT(abc..abc, SQL_BIGINT)})");
 }