"OBJC_CLASS$_GHAsyncTestCase", referenced from:
OBJC_CLASS$_XMLParserTests in XMLParserTests.o
"OBJC_METACLASS$_GHAsyncTestCase", referenced from:
OBJC_METACLASS$_XMLParserTests in XMLParserTests.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
hope to help solve this issue!thank you