[Darwin] MTRDeviceTests test017 - fix resubscription expectation (project-chip#29458)

* [Darwin] MTRDeviceTests test017 - fix resubscription expectation

* Update src/app/InteractionModelEngine.h

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

---------

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

Author: jtung-apple

src/app/InteractionModelEngine.h

@@ -679,7 +679,7 @@ CHIP_ERROR ReadSingleClusterData(const Access::SubjectDescriptor & aSubjectDescr
 /**
  *  Check whether concrete attribute path is an "existent attribute path" in spec terms.
  *  @param[in]    aPath                 The concrete path of the data being read.
- *  @retval  boolean
+ *  @retval  boolean   true if the concrete attribute path indicates an attribute that exists on the node.
  */
 bool ConcreteAttributePathExists(const ConcreteAttributePath & aPath);
 

src/darwin/Framework/CHIPTests/MTRDeviceTests.m

@@ -75,6 +75,9 @@ static void WaitForCommissionee(XCTestExpectation * expectation)
 #ifdef DEBUG
 @interface MTRBaseDevice (Test)
 - (void)failSubscribers:(dispatch_queue_t)queue completion:(void (^)(void))completion;
+
+// Test function for whitebox testing
++ (id)CHIPEncodeAndDecodeNSObject:(id)object;
 @end
 #endif
 
@@ -1558,9 +1561,14 @@ - (void)test017_TestMTRDeviceBasics
     delegate.onNotReachable = ^() {
         [subscriptionDroppedExpectation fulfill];
     };
-    XCTestExpectation * resubscriptionExpectation = [self expectationWithDescription:@"Resubscription has happened"];
+    XCTestExpectation * resubscriptionReachableExpectation =
+        [self expectationWithDescription:@"Resubscription has become reachable"];
     delegate.onReachable = ^() {
-        [resubscriptionExpectation fulfill];
+        [resubscriptionReachableExpectation fulfill];
+    };
+    XCTestExpectation * resubscriptionGotReportsExpectation = [self expectationWithDescription:@"Resubscription got reports"];
+    delegate.onReportEnd = ^() {
+        [resubscriptionGotReportsExpectation fulfill];
     };
 
     // reset the onAttributeDataReceived to validate the following resubscribe test
@@ -1598,7 +1606,7 @@ - (void)test017_TestMTRDeviceBasics
     // Check that device resets start time on subscription drop
     XCTAssertNil(device.estimatedStartTime);
 
-    [self waitForExpectations:@[ resubscriptionExpectation ] timeout:60];
+    [self waitForExpectations:@[ resubscriptionReachableExpectation, resubscriptionGotReportsExpectation ] timeout:60];
 
     // Now make sure we ignore later tests.  Ideally we would just unsubscribe
     // or remove the delegate, but there's no good way to do that.
@@ -2585,11 +2593,6 @@ - (void)test999_TearDown
 
 @end
 
-@interface MTRBaseDevice (Test)
-// Test function for whitebox testing
-+ (id)CHIPEncodeAndDecodeNSObject:(id)object;
-@end
-
 @interface MTRDeviceEncoderTests : XCTestCase
 @end
 

src/darwin/Framework/CHIPTests/TestHelpers/MTRTestKeys.m

@@ -57,7 +57,7 @@ - (instancetype)init
     CFErrorRef error = NULL;
     const NSDictionary * keygenParams = @{
         (__bridge NSString *) kSecAttrKeyClass : (__bridge NSString *) kSecAttrKeyClassPrivate,
-        (__bridge NSString *) kSecAttrKeyType : (__bridge NSNumber *) kSecAttrKeyTypeECSECPrimeRandom,
+        (__bridge NSString *) kSecAttrKeyType : (__bridge NSString *) kSecAttrKeyTypeECSECPrimeRandom,
         (__bridge NSString *) kSecAttrKeySizeInBits : @(keySizeInBits),
         (__bridge NSString *) kSecAttrIsPermanent : @(NO)
     };