diff --git a/tests/lib/Files/ObjectStore/ObjectStoreStoragesDifferentBucketTest.php b/tests/lib/Files/ObjectStore/ObjectStoreStoragesDifferentBucketTest.php
index 1915460777cf0..a0e18a5557b65 100644
--- a/tests/lib/Files/ObjectStore/ObjectStoreStoragesDifferentBucketTest.php
+++ b/tests/lib/Files/ObjectStore/ObjectStoreStoragesDifferentBucketTest.php
@@ -7,6 +7,8 @@
 
 namespace Test\Files\ObjectStore;
 
+use OC\Files\ObjectStore\StorageObjectStore;
+use OC\Files\Storage\Temporary;
 use Test\Files\Storage\StoragesTest;
 
 /**
diff --git a/tests/lib/Files/ObjectStore/ObjectStoreStoragesSameBucketTest.php b/tests/lib/Files/ObjectStore/ObjectStoreStoragesSameBucketTest.php
index 71011451a531c..19a1f4b7bc5ad 100644
--- a/tests/lib/Files/ObjectStore/ObjectStoreStoragesSameBucketTest.php
+++ b/tests/lib/Files/ObjectStore/ObjectStoreStoragesSameBucketTest.php
@@ -7,6 +7,8 @@
 
 namespace Test\Files\ObjectStore;
 
+use OC\Files\ObjectStore\StorageObjectStore;
+use OC\Files\Storage\Temporary;
 use Test\Files\Storage\StoragesTest;
 
 /**
diff --git a/tests/lib/Files/Storage/StoragesTest.php b/tests/lib/Files/Storage/StoragesTest.php
index a7578c24e3db7..d157d288f2c6e 100644
--- a/tests/lib/Files/Storage/StoragesTest.php
+++ b/tests/lib/Files/Storage/StoragesTest.php
@@ -33,76 +33,76 @@ protected function tearDown(): void {
 	public function testMoveFileFromStorage() {
 		$source = 'source.txt';
 		$target = 'target.txt';
-		$storage2->file_put_contents($source, 'foo');
+		$this->storage2->file_put_contents($source, 'foo');
 
-		$storage1->moveFromStorage($storage2, $source, $target);
+		$this->storage1->moveFromStorage($this->storage2, $source, $target);
 
-		$this->assertTrue($storage1->file_exists($target), $target.' was not created');
-		$this->assertFalse($storage2->file_exists($source), $source.' still exists');
-		$this->assertEquals('foo', $storage1->file_get_contents($target));
+		$this->assertTrue($this->storage1->file_exists($target), $target.' was not created');
+		$this->assertFalse($this->storage2->file_exists($source), $source.' still exists');
+		$this->assertEquals('foo', $this->storage1->file_get_contents($target));
 	}
 
 	public function testMoveDirectoryFromStorage() {
-		$storage2->mkdir('source');
-		$storage2->file_put_contents('source/test1.txt', 'foo');
-		$storage2->file_put_contents('source/test2.txt', 'qwerty');
-		$storage2->mkdir('source/subfolder');
-		$storage2->file_put_contents('source/subfolder/test.txt', 'bar');
-
-		$storage1->moveFromStorage($storage2, 'source', 'target');
-
-		$this->assertTrue($storage1->file_exists('target'));
-		$this->assertTrue($storage1->file_exists('target/test1.txt'));
-		$this->assertTrue($storage1->file_exists('target/test2.txt'));
-		$this->assertTrue($storage1->file_exists('target/subfolder'));
-		$this->assertTrue($storage1->file_exists('target/subfolder/test.txt'));
-
-		$this->assertFalse($storage2->file_exists('source'));
-		$this->assertFalse($storage2->file_exists('source/test1.txt'));
-		$this->assertFalse($storage2->file_exists('source/test2.txt'));
-		$this->assertFalse($storage2->file_exists('source/subfolder'));
-		$this->assertFalse($storage2->file_exists('source/subfolder/test.txt'));
-
-		$this->assertEquals('foo', $storage1->file_get_contents('target/test1.txt'));
-		$this->assertEquals('qwerty', $storage1->file_get_contents('target/test2.txt'));
-		$this->assertEquals('bar', $storage1->file_get_contents('target/subfolder/test.txt'));
+		$this->storage2->mkdir('source');
+		$this->storage2->file_put_contents('source/test1.txt', 'foo');
+		$this->storage2->file_put_contents('source/test2.txt', 'qwerty');
+		$this->storage2->mkdir('source/subfolder');
+		$this->storage2->file_put_contents('source/subfolder/test.txt', 'bar');
+
+		$this->storage1->moveFromStorage($this->storage2, 'source', 'target');
+
+		$this->assertTrue($this->storage1->file_exists('target'));
+		$this->assertTrue($this->storage1->file_exists('target/test1.txt'));
+		$this->assertTrue($this->storage1->file_exists('target/test2.txt'));
+		$this->assertTrue($this->storage1->file_exists('target/subfolder'));
+		$this->assertTrue($this->storage1->file_exists('target/subfolder/test.txt'));
+
+		$this->assertFalse($this->storage2->file_exists('source'));
+		$this->assertFalse($this->storage2->file_exists('source/test1.txt'));
+		$this->assertFalse($this->storage2->file_exists('source/test2.txt'));
+		$this->assertFalse($this->storage2->file_exists('source/subfolder'));
+		$this->assertFalse($this->storage2->file_exists('source/subfolder/test.txt'));
+
+		$this->assertEquals('foo', $this->storage1->file_get_contents('target/test1.txt'));
+		$this->assertEquals('qwerty', $this->storage1->file_get_contents('target/test2.txt'));
+		$this->assertEquals('bar', $this->storage1->file_get_contents('target/subfolder/test.txt'));
 	}
 
 	public function testCopyFileFromStorage() {
 		$source = 'source.txt';
 		$target = 'target.txt';
-		$storage2->file_put_contents($source, 'foo');
+		$this->storage2->file_put_contents($source, 'foo');
 
-		$storage1->copyFromStorage($storage2, $source, $target);
+		$this->storage1->copyFromStorage($this->storage2, $source, $target);
 
-		$this->assertTrue($storage1->file_exists($target), $target.' was not created');
-		$this->assertTrue($storage2->file_exists($source), $source.' was deleted');
-		$this->assertEquals('foo', $storage1->file_get_contents($target));
+		$this->assertTrue($this->storage1->file_exists($target), $target.' was not created');
+		$this->assertTrue($this->storage2->file_exists($source), $source.' was deleted');
+		$this->assertEquals('foo', $this->storage1->file_get_contents($target));
 	}
 
 	public function testCopyDirectoryFromStorage() {
-		$storage2->mkdir('source');
-		$storage2->file_put_contents('source/test1.txt', 'foo');
-		$storage2->file_put_contents('source/test2.txt', 'qwerty');
-		$storage2->mkdir('source/subfolder');
-		$storage2->file_put_contents('source/subfolder/test.txt', 'bar');
-
-		$storage1->copyFromStorage($storage2, 'source', 'target');
-
-		$this->assertTrue($storage1->file_exists('target'));
-		$this->assertTrue($storage1->file_exists('target/test1.txt'));
-		$this->assertTrue($storage1->file_exists('target/test2.txt'));
-		$this->assertTrue($storage1->file_exists('target/subfolder'));
-		$this->assertTrue($storage1->file_exists('target/subfolder/test.txt'));
-
-		$this->assertTrue($storage2->file_exists('source'));
-		$this->assertTrue($storage2->file_exists('source/test1.txt'));
-		$this->assertTrue($storage2->file_exists('source/test2.txt'));
-		$this->assertTrue($storage2->file_exists('source/subfolder'));
-		$this->assertTrue($storage2->file_exists('source/subfolder/test.txt'));
-
-		$this->assertEquals('foo', $storage1->file_get_contents('target/test1.txt'));
-		$this->assertEquals('qwerty', $storage1->file_get_contents('target/test2.txt'));
-		$this->assertEquals('bar', $storage1->file_get_contents('target/subfolder/test.txt'));
+		$this->storage2->mkdir('source');
+		$this->storage2->file_put_contents('source/test1.txt', 'foo');
+		$this->storage2->file_put_contents('source/test2.txt', 'qwerty');
+		$this->storage2->mkdir('source/subfolder');
+		$this->storage2->file_put_contents('source/subfolder/test.txt', 'bar');
+
+		$this->storage1->copyFromStorage($this->storage2, 'source', 'target');
+
+		$this->assertTrue($this->storage1->file_exists('target'));
+		$this->assertTrue($this->storage1->file_exists('target/test1.txt'));
+		$this->assertTrue($this->storage1->file_exists('target/test2.txt'));
+		$this->assertTrue($this->storage1->file_exists('target/subfolder'));
+		$this->assertTrue($this->storage1->file_exists('target/subfolder/test.txt'));
+
+		$this->assertTrue($this->storage2->file_exists('source'));
+		$this->assertTrue($this->storage2->file_exists('source/test1.txt'));
+		$this->assertTrue($this->storage2->file_exists('source/test2.txt'));
+		$this->assertTrue($this->storage2->file_exists('source/subfolder'));
+		$this->assertTrue($this->storage2->file_exists('source/subfolder/test.txt'));
+
+		$this->assertEquals('foo', $this->storage1->file_get_contents('target/test1.txt'));
+		$this->assertEquals('qwerty', $this->storage1->file_get_contents('target/test2.txt'));
+		$this->assertEquals('bar', $this->storage1->file_get_contents('target/subfolder/test.txt'));
 	}
 }