Tests: source CPack tests don't require build stage

Tests/RunCMake/CPack/CPackTestHelpers.cmake

@@ -100,6 +100,6 @@ function(run_cpack_test_subtests TEST_NAME SUBTEST_SUFFIXES types build PACKAGIN
   endforeach()
 endfunction()
 
-function(run_cpack_source_test TEST_NAME types build)
-  run_cpack_test_common_("${TEST_NAME}" "${types}" "${build}" "" true "")
+function(run_cpack_source_test TEST_NAME types)
+  run_cpack_test_common_("${TEST_NAME}" "${types}" false "" true "")
 endfunction()

Tests/RunCMake/CPack/RunCMakeTest.cmake

@@ -20,5 +20,5 @@ run_cpack_test_subtests(PACKAGE_CHECKSUM "invalid;MD5;SHA1;SHA224;SHA256;SHA384;
 run_cpack_test(PARTIALLY_RELOCATABLE_WARNING "RPM" false "COMPONENT")
 run_cpack_test(PER_COMPONENT_FIELDS "RPM;DEB" false "COMPONENT")
 run_cpack_test_subtests(SINGLE_DEBUGINFO "no_main_component;one_component;one_component_main;no_debuginfo;one_component_no_debuginfo;no_components;valid" "RPM" true "CUSTOM")
-run_cpack_source_test(SOURCE_PACKAGE "RPM" true)
+run_cpack_source_test(SOURCE_PACKAGE "RPM")
 run_cpack_test(SUGGESTS "RPM" false "MONOLITHIC")