test(schema-compiler): Fix question mark tests (#8941)

sqlstring uses different question mark sequences for different placehloders: ? for value, ?? for identifier, and skips replacing for ???

Author: mcheshkov

packages/cubejs-schema-compiler/test/integration/mssql/mssql-ungrouped.test.ts

@@ -173,7 +173,7 @@ describe('MSSqlUngrouped', () => {
           longitude: { sql: \`longitude\` }
         },
         questionMark: {
-          sql: \`replace('some string question string???', 'string', 'with some ???')\`,
+          sql: \`replace('some string question string ? ?? ???', 'string', 'with some ? ?? ???')\`,
           type: \`string\`
         }
       }

packages/cubejs-schema-compiler/test/integration/postgres/sql-generation.test.ts

@@ -277,7 +277,7 @@ describe('SQL Generation', () => {
           longitude: { sql: \`longitude\` }
         },
         questionMark: {
-          sql: \`replace('some string question string???', 'string', 'with some ???')\`,
+          sql: \`replace('some string question string ? ?? ???', 'string', 'with some ? ?? ???')\`,
           type: \`string\`
         }
       }