diff --git a/lib/Doctrine/ORM/Tools/SchemaTool.php b/lib/Doctrine/ORM/Tools/SchemaTool.php
index f4d97434ed3..81602852e11 100644
--- a/lib/Doctrine/ORM/Tools/SchemaTool.php
+++ b/lib/Doctrine/ORM/Tools/SchemaTool.php
@@ -360,7 +360,8 @@ static function (ClassMetadata $class) use ($idMapping): bool {
                     $uniqIndex = new Index($indexName, $this->getIndexColumns($class, $indexData), true, false, [], $indexData['options'] ?? []);
 
                     foreach ($table->getIndexes() as $tableIndexName => $tableIndex) {
-                        if ($tableIndex->isFullfilledBy($uniqIndex)) {
+                        $method = method_exists($tableIndex, 'isFulfilledBy') ? 'isFulfilledBy' : 'isFullfilledBy';
+                        if ($tableIndex->$method($uniqIndex)) {
                             $table->dropIndex($tableIndexName);
                             break;
                         }
@@ -856,8 +857,12 @@ public function dropDatabase()
      */
     public function getDropDatabaseSQL()
     {
+        $method = method_exists(AbstractSchemaManager::class, 'introspectSchema') ?
+            'introspectSchema' :
+            'createSchema';
+
         return $this->schemaManager
-            ->createSchema()
+            ->$method()
             ->toDropSql($this->platform);
     }
 
diff --git a/tests/Doctrine/Tests/Models/StockExchange/Stock.php b/tests/Doctrine/Tests/Models/StockExchange/Stock.php
index 680aa4c7079..5c01c8a8e83 100644
--- a/tests/Doctrine/Tests/Models/StockExchange/Stock.php
+++ b/tests/Doctrine/Tests/Models/StockExchange/Stock.php
@@ -34,7 +34,7 @@ class Stock
 
     /**
      * @var float
-     * @Column(type="decimal")
+     * @Column(type="decimal", precision=10)
      */
     private $price;
 
diff --git a/tests/Doctrine/Tests/ORM/Functional/SchemaTool/CompanySchemaTest.php b/tests/Doctrine/Tests/ORM/Functional/SchemaTool/CompanySchemaTest.php
index 854897bea97..4e23a596492 100644
--- a/tests/Doctrine/Tests/ORM/Functional/SchemaTool/CompanySchemaTest.php
+++ b/tests/Doctrine/Tests/ORM/Functional/SchemaTool/CompanySchemaTest.php
@@ -4,9 +4,12 @@
 
 namespace Doctrine\Tests\ORM\Functional\SchemaTool;
 
+use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Tests\OrmFunctionalTestCase;
 
+use function method_exists;
+
 /**
  * Functional tests for the Class Table Inheritance mapping strategy.
  */
@@ -21,7 +24,10 @@ protected function setUp(): void
     /** @group DDC-966 */
     public function testGeneratedSchema(): Schema
     {
-        $schema = $this->createSchemaManager()->createSchema();
+        $method = method_exists(AbstractSchemaManager::class, 'introspectSchema') ?
+            'introspectSchema' :
+            'createSchema';
+        $schema = $this->createSchemaManager()->$method();
 
         self::assertTrue($schema->hasTable('company_contracts'));
 
diff --git a/tests/Doctrine/Tests/ORM/Functional/SchemaTool/DDC214Test.php b/tests/Doctrine/Tests/ORM/Functional/SchemaTool/DDC214Test.php
index f2d848c039d..42f14669ae6 100644
--- a/tests/Doctrine/Tests/ORM/Functional/SchemaTool/DDC214Test.php
+++ b/tests/Doctrine/Tests/ORM/Functional/SchemaTool/DDC214Test.php
@@ -5,6 +5,7 @@
 namespace Doctrine\Tests\ORM\Functional\SchemaTool;
 
 use Doctrine\DBAL\Platforms\SqlitePlatform;
+use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\Tests\Models;
 use Doctrine\Tests\OrmFunctionalTestCase;
@@ -67,7 +68,10 @@ public function assertCreatedSchemaNeedsNoUpdates(string ...$classes): void
 
         $sm = $this->createSchemaManager();
 
-        $fromSchema = $sm->createSchema();
+        $method     = method_exists(AbstractSchemaManager::class, 'introspectSchema') ?
+            'introspectSchema' :
+            'createSchema';
+        $fromSchema = $sm->$method();
         $toSchema   = $this->getSchemaForModels(...$classes);
 
         if (method_exists($sm, 'createComparator')) {
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/GH7941Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/GH7941Test.php
index 0bc14dc3ea6..bbd0b167045 100644
--- a/tests/Doctrine/Tests/ORM/Functional/Ticket/GH7941Test.php
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/GH7941Test.php
@@ -108,7 +108,7 @@ class GH7941Product
 
     /**
      * @var string
-     * @Column(type="decimal")
+     * @Column(type="decimal", precision=10)
      */
     public $price;
 
diff --git a/tests/Doctrine/Tests/TestUtil.php b/tests/Doctrine/Tests/TestUtil.php
index 75b4d848840..baa3248a947 100644
--- a/tests/Doctrine/Tests/TestUtil.php
+++ b/tests/Doctrine/Tests/TestUtil.php
@@ -91,7 +91,10 @@ private static function initializeDatabase(): void
         $platform = $privConn->getDatabasePlatform();
 
         if ($platform instanceof SqlitePlatform) {
-            $schema = self::createSchemaManager($testConn)->createSchema();
+            $method = method_exists(AbstractSchemaManager::class, 'introspectSchema') ?
+                'introspectSchema' :
+                'createSchema';
+            $schema = self::createSchemaManager($testConn)->$method();
             $stmts  = $schema->toDropSql($testConn->getDatabasePlatform());
 
             foreach ($stmts as $stmt) {