Fix test instance dependency

Fix #1234

Author: wengxt

test/CMakeLists.txt

@@ -106,6 +106,8 @@ foreach(TESTCASE ${FCITX_CORE_TEST})
 endforeach()
 
 add_dependencies(testaddon dummyaddon)
+add_dependencies(testinstance copy-addon testfrontend testim)
+add_dependencies(testinputcontext copy-addon testfrontend testim)
 
 if (ENABLE_KEYBOARD)
     add_executable(testxkbrules testxkbrules.cpp ../src/im/keyboard/xkbrules.cpp ../src/im/keyboard/xmlparser.cpp)

test/testinstance.cpp

@@ -118,7 +118,8 @@ void testModifierOnlyHotkey(Instance &instance) {
 
 int main() {
     setupTestingEnvironment(FCITX5_BINARY_DIR,
-                            {"testing/testim", "testing/testfrontend"}, {});
+                            {"testing/testim", "testing/testfrontend"},
+                            {"test"});
 
     char arg0[] = "testinstance";
     char arg1[] = "--disable=all";