Update tests

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/androidTest/java/com/nextcloud/utils/FileNameValidatorTests.kt

@@ -81,7 +81,7 @@ class FileNameValidatorTests : AbstractOnServerIT() {
             assertEquals(null, result2)
         } else {
             assertEquals(
-                targetContext.getString(R.string.file_name_validator_error_forbidden_file_extensions, " "),
+                targetContext.getString(R.string.file_name_validator_error_forbidden_space_character_extensions),
                 result
             )
             assertEquals(