OPTIONAL_COMPONENTS never worked quite right with Qt5 when REQUIRED was also
passed to find_package(). If an optional component is not found, it results
in an error.

--- CMakeLists.txt.orig	2025-03-06 04:56:05 UTC
+++ CMakeLists.txt
@@ -90,8 +90,10 @@ elseif(QUAZIP_QT_MAJOR_VERSION EQUAL 5)
     set(QUAZIP_TEST_QT_LIBRARIES Qt6::Core Qt6::Core5Compat Qt6::Network Qt6::Test)
     set(QUAZIP_PKGCONFIG_REQUIRES "zlib, Qt6Core")
 elseif(QUAZIP_QT_MAJOR_VERSION EQUAL 5)
-    find_package(Qt5 REQUIRED COMPONENTS Core
-            OPTIONAL_COMPONENTS Network Test)
+    find_package(Qt5 REQUIRED COMPONENTS Core)
+  if(QUAZIP_ENABLE_TESTS)
+    find_package(Qt5 REQUIRED COMPONENTS Network Test)
+  endif()
     message(STATUS "Found Qt version ${Qt5_VERSION} at ${Qt5_DIR}")
     set(QUAZIP_QT_ZLIB_COMPONENT Zlib)
     set(QUAZIP_LIB_LIBRARIES Qt5::Core)