Remove leftover crossing hello tests in connection handshake (#1724)

* remove leftover crossing hello tests in connection handshake

* fix bug in tests

modules/core/03-connection/keeper/handshake_test.go

@@ -203,54 +203,16 @@ func (suite *KeeperTestSuite) TestConnOpenTry() {
 			err := path.EndpointA.ConnOpenInit()
 			suite.Require().NoError(err)
 		}, false},
-		{"invalid previous connection is in TRYOPEN", func() {
-			// open init chainA
-			err := path.EndpointA.ConnOpenInit()
-			suite.Require().NoError(err)
-
-			// open try chainB
-			err = path.EndpointB.ConnOpenTry()
-			suite.Require().NoError(err)
-
-			err = path.EndpointB.UpdateClient()
-			suite.Require().NoError(err)
-
-			// retrieve client state of chainA to pass as counterpartyClient
-			counterpartyClient = suite.chainA.GetClientState(path.EndpointA.ClientID)
-		}, false},
-		{"invalid previous connection has invalid versions", func() {
-			// open init chainA
-			err := path.EndpointA.ConnOpenInit()
-			suite.Require().NoError(err)
-
-			// open try chainB
-			err = path.EndpointB.ConnOpenTry()
-			suite.Require().NoError(err)
-
-			// modify connB to be in INIT with incorrect versions
-			connection, found := suite.chainB.App.GetIBCKeeper().ConnectionKeeper.GetConnection(suite.chainB.GetContext(), path.EndpointB.ConnectionID)
-			suite.Require().True(found)
-
-			connection.State = types.INIT
-			connection.Versions = []*types.Version{{}}
-
-			suite.chainB.App.GetIBCKeeper().ConnectionKeeper.SetConnection(suite.chainB.GetContext(), path.EndpointB.ConnectionID, connection)
-
-			err = path.EndpointB.UpdateClient()
-			suite.Require().NoError(err)
-
-			// retrieve client state of chainA to pass as counterpartyClient
-			counterpartyClient = suite.chainA.GetClientState(path.EndpointA.ClientID)
-		}, false},
 	}
 
 	for _, tc := range testCases {
 		tc := tc
 
 		suite.Run(tc.msg, func() {
 			suite.SetupTest()                          // reset
-			consensusHeight = clienttypes.ZeroHeight() // must be explicitly changed in malleate
-			versions = types.GetCompatibleVersions()   // must be explicitly changed in malleate
+			consensusHeight = clienttypes.ZeroHeight() // may be changed in malleate
+			versions = types.GetCompatibleVersions()   // may be changed in malleate
+			delayPeriod = 0                            // may be changed in malleate
 			path = ibctesting.NewPath(suite.chainA, suite.chainB)
 			suite.coordinator.SetupClients(path)