diff --git a/plugin/trino-base-jdbc/src/test/java/io/trino/plugin/jdbc/mapping/RuleBasedIdentifierMappingUtils.java b/plugin/trino-base-jdbc/src/test/java/io/trino/plugin/jdbc/mapping/RuleBasedIdentifierMappingUtils.java
index d1bd89468b12..71394e74efaa 100644
--- a/plugin/trino-base-jdbc/src/test/java/io/trino/plugin/jdbc/mapping/RuleBasedIdentifierMappingUtils.java
+++ b/plugin/trino-base-jdbc/src/test/java/io/trino/plugin/jdbc/mapping/RuleBasedIdentifierMappingUtils.java
@@ -14,8 +14,8 @@
 package io.trino.plugin.jdbc.mapping;
 
 import com.google.common.collect.ImmutableList;
+import io.airlift.units.Duration;
 
-import java.io.IOException;
 import java.nio.file.Path;
 import java.util.List;
 
@@ -23,19 +23,22 @@
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static java.nio.file.Files.createTempFile;
 import static java.nio.file.Files.write;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 public final class RuleBasedIdentifierMappingUtils
 {
+    public static final Duration REFRESH_PERIOD_DURATION = Duration.succinctDuration(1, MILLISECONDS);
+
     private RuleBasedIdentifierMappingUtils() {}
 
     public static Path createRuleBasedIdentifierMappingFile()
-            throws IOException
+            throws Exception
     {
         return createRuleBasedIdentifierMappingFile(ImmutableList.of(), ImmutableList.of());
     }
 
     public static Path createRuleBasedIdentifierMappingFile(List<SchemaMappingRule> schemas, List<TableMappingRule> tables)
-            throws IOException
+            throws Exception
     {
         Path file = createTempFile("identifier-mapping-", ".json");
         file.toFile().deleteOnExit();
@@ -44,13 +47,15 @@ public static Path createRuleBasedIdentifierMappingFile(List<SchemaMappingRule>
     }
 
     public static Path updateRuleBasedIdentifierMappingFile(Path file, List<SchemaMappingRule> schemas, List<TableMappingRule> tables)
-            throws IOException
+            throws Exception
     {
         IdentifierMappingRules mapping = new IdentifierMappingRules(schemas, tables);
 
         String json = jsonCodec(IdentifierMappingRules.class).toJson(mapping);
 
         write(file, json.getBytes(UTF_8));
+        // Wait to ensure rules have been reloaded
+        Thread.sleep(2 * REFRESH_PERIOD_DURATION.toMillis());
         return file;
     }
 }
diff --git a/plugin/trino-mysql/src/test/java/io/trino/plugin/mysql/TestMySqlCaseInsensitiveMapping.java b/plugin/trino-mysql/src/test/java/io/trino/plugin/mysql/TestMySqlCaseInsensitiveMapping.java
index 7ff2351d22b4..f87f7f3a034c 100644
--- a/plugin/trino-mysql/src/test/java/io/trino/plugin/mysql/TestMySqlCaseInsensitiveMapping.java
+++ b/plugin/trino-mysql/src/test/java/io/trino/plugin/mysql/TestMySqlCaseInsensitiveMapping.java
@@ -22,6 +22,7 @@
 
 import java.nio.file.Path;
 
+import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.REFRESH_PERIOD_DURATION;
 import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.createRuleBasedIdentifierMappingFile;
 import static io.trino.plugin.mysql.MySqlQueryRunner.createMySqlQueryRunner;
 import static java.util.Objects.requireNonNull;
@@ -47,7 +48,7 @@ protected QueryRunner createQueryRunner()
                 ImmutableMap.<String, String>builder()
                         .put("case-insensitive-name-matching", "true")
                         .put("case-insensitive-name-matching.config-file", mappingFile.toFile().getAbsolutePath())
-                        .put("case-insensitive-name-matching.config-file.refresh-period", "1ms") // ~always refresh
+                        .put("case-insensitive-name-matching.config-file.refresh-period", REFRESH_PERIOD_DURATION.toString())
                         .buildOrThrow(),
                 ImmutableList.of());
     }
diff --git a/plugin/trino-oracle/src/test/java/io/trino/plugin/oracle/TestOracleCaseInsensitiveMapping.java b/plugin/trino-oracle/src/test/java/io/trino/plugin/oracle/TestOracleCaseInsensitiveMapping.java
index c995fd4cf9a9..f38c2125ace7 100644
--- a/plugin/trino-oracle/src/test/java/io/trino/plugin/oracle/TestOracleCaseInsensitiveMapping.java
+++ b/plugin/trino-oracle/src/test/java/io/trino/plugin/oracle/TestOracleCaseInsensitiveMapping.java
@@ -23,6 +23,7 @@
 import java.nio.file.Path;
 import java.util.Optional;
 
+import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.REFRESH_PERIOD_DURATION;
 import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.createRuleBasedIdentifierMappingFile;
 import static io.trino.plugin.oracle.OracleQueryRunner.createOracleQueryRunner;
 import static io.trino.plugin.oracle.TestingOracleServer.TEST_USER;
@@ -51,7 +52,7 @@ protected QueryRunner createQueryRunner()
                         .putAll(OracleQueryRunner.connectionProperties(oracleServer))
                         .put("case-insensitive-name-matching", "true")
                         .put("case-insensitive-name-matching.config-file", mappingFile.toFile().getAbsolutePath())
-                        .put("case-insensitive-name-matching.config-file.refresh-period", "1ms") // ~always refresh
+                        .put("case-insensitive-name-matching.config-file.refresh-period", REFRESH_PERIOD_DURATION.toString())
                         .buildOrThrow(),
                 ImmutableList.of());
     }
diff --git a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlCaseInsensitiveMapping.java b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlCaseInsensitiveMapping.java
index 05b26dac4579..ac90923fe17b 100644
--- a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlCaseInsensitiveMapping.java
+++ b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlCaseInsensitiveMapping.java
@@ -22,6 +22,7 @@
 
 import java.nio.file.Path;
 
+import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.REFRESH_PERIOD_DURATION;
 import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.createRuleBasedIdentifierMappingFile;
 import static java.util.Objects.requireNonNull;
 
@@ -46,7 +47,7 @@ protected QueryRunner createQueryRunner()
                 ImmutableMap.<String, String>builder()
                         .put("case-insensitive-name-matching", "true")
                         .put("case-insensitive-name-matching.config-file", mappingFile.toFile().getAbsolutePath())
-                        .put("case-insensitive-name-matching.config-file.refresh-period", "1ms") // ~always refresh
+                        .put("case-insensitive-name-matching.config-file.refresh-period", REFRESH_PERIOD_DURATION.toString())
                         .buildOrThrow(),
                 ImmutableSet.of());
     }
diff --git a/plugin/trino-sqlserver/pom.xml b/plugin/trino-sqlserver/pom.xml
index e6d78a24b571..c8cada34f6d1 100644
--- a/plugin/trino-sqlserver/pom.xml
+++ b/plugin/trino-sqlserver/pom.xml
@@ -53,6 +53,11 @@
             <artifactId>log-manager</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>io.airlift</groupId>
+            <artifactId>units</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
diff --git a/plugin/trino-sqlserver/src/test/java/io/trino/plugin/sqlserver/TestSqlServerCaseInsensitiveMapping.java b/plugin/trino-sqlserver/src/test/java/io/trino/plugin/sqlserver/TestSqlServerCaseInsensitiveMapping.java
index 87061daee760..012a242a7f98 100644
--- a/plugin/trino-sqlserver/src/test/java/io/trino/plugin/sqlserver/TestSqlServerCaseInsensitiveMapping.java
+++ b/plugin/trino-sqlserver/src/test/java/io/trino/plugin/sqlserver/TestSqlServerCaseInsensitiveMapping.java
@@ -25,6 +25,7 @@
 import java.sql.ResultSet;
 import java.sql.Statement;
 
+import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.REFRESH_PERIOD_DURATION;
 import static io.trino.plugin.jdbc.mapping.RuleBasedIdentifierMappingUtils.createRuleBasedIdentifierMappingFile;
 import static io.trino.plugin.sqlserver.SqlServerQueryRunner.createSqlServerQueryRunner;
 import static java.util.Objects.requireNonNull;
@@ -51,7 +52,7 @@ protected QueryRunner createQueryRunner()
                 ImmutableMap.<String, String>builder()
                         .put("case-insensitive-name-matching", "true")
                         .put("case-insensitive-name-matching.config-file", mappingFile.toFile().getAbsolutePath())
-                        .put("case-insensitive-name-matching.config-file.refresh-period", "1ms") // ~always refresh
+                        .put("case-insensitive-name-matching.config-file.refresh-period", REFRESH_PERIOD_DURATION.toString())
                         .buildOrThrow(),
                 ImmutableList.of());
     }