test: reorder tests

Author: larkee

spanner/test/spannerBackupTest.php

@@ -76,14 +76,6 @@ public static function setUpBeforeClass(): void
         self::$instance = $spanner->instance(self::$instanceId);
     }
 
-    public function testCancelBackup()
-    {
-        $output = $this->runFunctionSnippet('cancel_backup', [
-            self::$databaseId
-        ]);
-        $this->assertStringContainsString('Cancel backup operation complete', $output);
-    }
-
     public function testCreateDatabaseWithVersionRetentionPeriod()
     {
         $output = $this->runFunctionSnippet('create_database_with_version_retention_period', [
@@ -94,6 +86,17 @@ public function testCreateDatabaseWithVersionRetentionPeriod()
         $this->assertStringContainsString(self::$retentionPeriod, $output);
     }
 
+    /**
+     * @depends testCreateDatabaseWithVersionRetentionPeriod
+     */
+    public function testCancelBackup()
+    {
+        $output = $this->runFunctionSnippet('cancel_backup', [
+            self::$databaseId
+        ]);
+        $this->assertStringContainsString('Cancel backup operation complete', $output);
+    }
+
     /**
      * @depends testCreateDatabaseWithVersionRetentionPeriod
      */