mocking time in test only usefull when using time() once

e2513de6c6 (commitcomment-3192244)

tests/unit/framework/caching/DbCacheTest.php

@@ -77,10 +77,11 @@ class DbCacheTest extends CacheTest
 	{
 		$cache = $this->getCacheInstance();
 
+		static::$time = \time();
 		$this->assertTrue($cache->set('expire_test', 'expire_test', 2));
-		static::$time = time() + 1;
+		static::$time++;
 		$this->assertEquals('expire_test', $cache->get('expire_test'));
-		static::$time = time() + 2;
+		static::$time++;
 		$this->assertFalse($cache->get('expire_test'));
 	}
 }

tests/unit/framework/caching/FileCacheTest.php

@@ -27,10 +27,11 @@ class FileCacheTest extends CacheTest
 	{
 		$cache = $this->getCacheInstance();
 
+		static::$time = \time();
 		$this->assertTrue($cache->set('expire_test', 'expire_test', 2));
-		static::$time = time() + 1;
+		static::$time++;
 		$this->assertEquals('expire_test', $cache->get('expire_test'));
-		static::$time = time() + 2;
+		static::$time++;
 		$this->assertFalse($cache->get('expire_test'));
 	}
 }