More test fix

src/objective-c/GRPCClient/GRPCCall.m

@@ -69,7 +69,7 @@ const char *kCFStreamVarName = "grpc_cfstream";
 @implementation GRPCRequestOptions
 
 - (instancetype)initWithHost:(NSString *)host path:(NSString *)path safety:(GRPCCallSafety)safety {
-  NSAssert(host.length != 0 && path.length != 0, @"Host and Path cannot be empty");
+  NSAssert(host.length != 0 && path.length != 0, @"host and path cannot be empty");
   if (host.length == 0 || path.length == 0) {
     return nil;
   }

src/objective-c/tests/run_tests.sh

@@ -189,6 +189,7 @@ xcodebuild \
     -scheme APIv2Tests \
     -destination name="iPhone 8" \
     HOST_PORT_LOCAL=localhost:5050 \
+    HOST_PORT_REMOTE=grpc-test.sandbox.googleapis.com \
     test \
     | egrep -v "$XCODEBUILD_FILTER" \
     | egrep -v '^$' \