Tune base delay to 3 seconds, to account for slow testing machines

Author: jtung-apple

src/darwin/Framework/CHIPTests/MTRDeviceTests.m

@@ -3705,7 +3705,7 @@ - (void)test036_TestStorageBehaviorConfiguration
     // Do not subscribe - only inject sequence of reports to control the timing
     delegate.skipSetupSubscription = YES;
 
-    NSTimeInterval baseTestDelayTime = 1;
+    NSTimeInterval baseTestDelayTime = 3;
 
     // Set up a config of relatively short timers so this test doesn't take too long
     MTRDeviceStorageBehaviorConfiguration * config = [MTRDeviceStorageBehaviorConfiguration