Delete flakey test that only tests built-in iOS SDK behavior.

AardvarkTests/ARKDataArchiveTests.m

@@ -98,25 +98,6 @@ - (void)test_setUp_providesEmptyArchive;
     [self waitForExpectationsWithTimeout:5.0 handler:nil];
 }
 
-- (void)test_dealloc_closesFile;
-{
-    int fileDescriptor = -1;
-
-    @autoreleasepool {
-        // Create and destroy and instance within an autorelease pool to ensure ARC cleans it up.
-        NSURL *tempArchiveURL = [NSURL ARK_fileURLWithApplicationSupportFilename:@"testfile.data"];
-        ARKDataArchive *tempArchive = [[ARKDataArchive alloc] initWithURL:tempArchiveURL maximumObjectCount:10 trimmedObjectCount:5];
-
-        fileDescriptor = tempArchive.fileHandle.fileDescriptor;
-        XCTAssertGreaterThanOrEqual(fileDescriptor, 0, @"Didn't get file descriptor!");
-
-        [tempArchive saveArchiveAndWait:YES];
-        tempArchive = nil;
-    }
-
-    XCTAssertEqual(fcntl(fileDescriptor, F_GETFD), -1, @"File descriptor should be closed after deallocating data archive!");
-}
-
 - (void)test_initWithURL_preservesExistingData;
 {
     NSURL *fileURL = self.dataArchive.archiveFileURL;