diff --git a/RangeUISlider.xcodeproj/project.pbxproj b/RangeUISlider.xcodeproj/project.pbxproj
index ca62c90..d570296 100644
--- a/RangeUISlider.xcodeproj/project.pbxproj
+++ b/RangeUISlider.xcodeproj/project.pbxproj
@@ -986,6 +986,7 @@
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_TESTABILITY = NO;
 				INFOPLIST_FILE = Source/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
diff --git a/RangeUISlider.xcodeproj/xcshareddata/xcschemes/RangeUISlider.xcscheme b/RangeUISlider.xcodeproj/xcshareddata/xcschemes/RangeUISlider.xcscheme
index dae3452..4030d5d 100644
--- a/RangeUISlider.xcodeproj/xcshareddata/xcschemes/RangeUISlider.xcscheme
+++ b/RangeUISlider.xcodeproj/xcshareddata/xcschemes/RangeUISlider.xcscheme
@@ -23,7 +23,7 @@
       </BuildActionEntries>
    </BuildAction>
    <TestAction
-      buildConfiguration = "Release"
+      buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">