diff --git a/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme b/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme
index 83de33d..1418749 100644
--- a/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme	
+++ b/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme	
@@ -80,6 +80,10 @@
          </CommandLineArgument>
          <CommandLineArgument
             argument = "--configuration:working"
+            isEnabled = "NO">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "--configuration:broken"
             isEnabled = "YES">
          </CommandLineArgument>
       </CommandLineArguments>
diff --git a/phpmon/Common/Testables/TestableConfigurations.swift b/phpmon/Common/Testables/TestableConfigurations.swift
index 40444f6..e36e447 100644
--- a/phpmon/Common/Testables/TestableConfigurations.swift
+++ b/phpmon/Common/Testables/TestableConfigurations.swift
@@ -33,6 +33,7 @@ class TestableConfigurations {
                 "id -un"                            : .instant("username"),
                 "php -v"                            : .instant(""),
                 "ls /opt/homebrew/opt | grep php"   : .instant(""),
+                "valet --version"                   : .instant("zsh: command not found: valet")
             ],
             commandOutput: [:]
         )
diff --git a/tests/ui/UI_Tests.swift b/tests/ui/UI_Tests.swift
index 1224f2e..f929869 100644
--- a/tests/ui/UI_Tests.swift
+++ b/tests/ui/UI_Tests.swift
@@ -21,6 +21,21 @@ final class UI_Tests: XCTestCase {
         let app = XCUIApplication()
         app.launchArguments = ["--configuration:working"]
         app.launch()
+        // XCTAssert(app.dialogs["Notice"].waitForExistence(timeout: 5))
         sleep(10)
     }
+
+    func testApplicationCanLaunchWithTestConfigurationAndThrowsAlert() throws {
+        // UI tests must launch the application that they test.
+        let app = XCUIApplication()
+        app.launchArguments = ["--configuration:broken"]
+        app.launch()
+        XCTAssert(app.dialogs["Notice"].waitForExistence(timeout: 5))
+        app.buttons["OK"].click()
+        XCTAssert(app.dialogs["Notice"].waitForExistence(timeout: 5))
+        XCTAssert(app.buttons["Quit"].waitForExistence(timeout: 1))
+        // If this UI test presses the "Quit" button, the test takes forever
+        // because Xcode will attempt to figure out if the app closed correctly.
+        app.terminate()
+    }
 }