Merge branch 'feat/create-textvalidation-tests' into test/more

src/test/java/edu/ntnu/idatt2001/group_30/paths/model/utils/TextValidationTest.java

+package edu.ntnu.idatt2001.group_30.paths.model.utils;
+
+import javafx.scene.control.TextFormatter;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class TextValidationTest {
+
+    @Test
+    void createIntegerTextFormatter_should_return_formatter_with_default_start_value() {
+        int expectedStartValue = 100;
+
+        TextFormatter<Integer> formatter = TextValidation.createIntegerTextFormatter();
+
+        Assertions.assertEquals(expectedStartValue, formatter.getValue());
+    }
+
+    @Test
+    void createIntegerTextFormatter_should_return_formatter_with_custom_start_value() {
+        int startValue = 50;
+
+        TextFormatter<Integer> formatter = TextValidation.createIntegerTextFormatter(startValue);
+
+        Assertions.assertEquals(startValue, formatter.getValue());
+    }
+}