private void checkMarkForUninstall(File extensionDir) {
		File propertiesFile = new File(extensionDir, ExtensionUtils.PROPERTIES_FILE_NAME);
		assertFalse(propertiesFile.exists());
		File markedPropertiesFile =
			new File(extensionDir, ExtensionUtils.PROPERTIES_FILE_NAME_UNINSTALLED);
		assertTrue(markedPropertiesFile.exists());
	}
Tests for the {@link ExtensionInstaller} class.
Ghidra/Framework/Project/src/test/java/ghidra/framework/project/extensions/ExtensionInstallerTest.java