Revert "Make numeric literal underscore test dialect agnostic (apache#1685)"

This reverts commit bccac2c.

Author: Vedin

tests/sqlparser_clickhouse.rs

@@ -1649,6 +1649,21 @@ fn parse_table_sample() {
     clickhouse().verified_stmt("SELECT * FROM tbl SAMPLE 1 / 10 OFFSET 1 / 2");
 }
 
+#[test]
+fn parse_numbers_with_underscore() {
+    let canonical = if cfg!(feature = "bigdecimal") {
+        "SELECT 10000"
+    } else {
+        "SELECT 10_000"
+    };
+    let select = clickhouse().verified_only_select_with_canonical("SELECT 10_000", canonical);
+
+    assert_eq!(
+        select.projection,
+        vec![SelectItem::UnnamedExpr(Expr::Value(number("10_000")))]
+    )
+}
+
 fn clickhouse() -> TestedDialects {
     TestedDialects::new(vec![Box::new(ClickHouseDialect {})])
 }

tests/sqlparser_common.rs

@@ -55,24 +55,6 @@ use sqlparser::ast::Expr::{Identifier, UnaryOp};
 use sqlparser::ast::Value::Number;
 use sqlparser::test_utils::all_dialects_except;
 
-#[test]
-fn parse_numeric_literal_underscore() {
-    let dialects = all_dialects_where(|d| d.supports_numeric_literal_underscores());
-
-    let canonical = if cfg!(feature = "bigdecimal") {
-        "SELECT 10000"
-    } else {
-        "SELECT 10_000"
-    };
-
-    let select = dialects.verified_only_select_with_canonical("SELECT 10_000", canonical);
-
-    assert_eq!(
-        select.projection,
-        vec![UnnamedExpr(Expr::Value(number("10_000")))]
-    );
-}
-
 #[test]
 fn parse_insert_values() {
     let row = vec![