Fix some tests.

Signed-off-by: Yury Fridlyand <[email protected]>

Author: Yury-Fridlyand

core/src/test/java/org/opensearch/sql/expression/function/WideningTypeRuleTest.java

@@ -61,6 +61,19 @@ class WideningTypeRuleTest {
           .put(STRING, DATE, 1)
           .put(STRING, TIME, 1)
           .put(STRING, DATETIME, 1)
+          .put(STRING, INTEGER, 2)
+          .put(STRING, LONG, 3)
+          .put(STRING, FLOAT, 4)
+          .put(STRING, DOUBLE, 2)
+
+          .put(DATE, INTEGER, 1)
+          .put(DATE, LONG, 2)
+          .put(DATE, FLOAT, 3)
+          .put(DATE, DOUBLE, 4)
+
+          .put(DATETIME, DOUBLE, 1)
+          .put(TIME, DOUBLE, 1)
+
           .put(UNDEFINED, BYTE, 1)
           .put(UNDEFINED, SHORT, 2)
           .put(UNDEFINED, INTEGER, 3)

integ-test/src/test/java/org/opensearch/sql/sql/ConditionalIT.java

@@ -62,7 +62,7 @@ public void ifnullWithNullInputTest() {
     verifySchema(response,
             schema("IFNULL(null, firstname)", "IFNULL1", "keyword"),
             schema("IFNULL(firstname, null)", "IFNULL2", "keyword"),
-            schema("IFNULL(null, null)", "IFNULL3", "byte"));
+            schema("IFNULL(null, null)", "IFNULL3", "keyword"));
     verifyDataRows(response,
             rows("Hattie", "Hattie", LITERAL_NULL.value()),
             rows( "Elinor", "Elinor", LITERAL_NULL.value())