Update expectations based on presence of cache.

Author: peterwilsoncc

tests/phpunit/tests/option/option.php

@@ -564,6 +564,12 @@ public function test_get_option_does_not_hit_the_external_cache_multiple_times_f
 			add_option( $option_name, 'value' );
 		}
 
+		if ( wp_using_ext_object_cache() ) {
+			$expected = 1;
+		} else {
+			$expected = 0;
+		}
+
 		$number_external_cache_hits = 0;
 
 		add_action(
@@ -573,12 +579,19 @@ function () use ( &$number_external_cache_hits ) {
 			}
 		);
 
+		add_action(
+			'wp_memcached_external_set',
+			function () use ( &$number_external_cache_hits ) {
+				$number_external_cache_hits++;
+			}
+		);
+
 		$call_getter = 10;
 		while ( $call_getter-- ) {
 			get_option( $option_name );
 		}
 
-		$this->assertSame( 0, $number_external_cache_hits );
+		$this->assertSame( $expected, $number_external_cache_hits );
 	}
 
 	/**