Rename sheet folders to assure proper sorting

aufgaben/sheet06/sol2/src/tests.rs

@@ -0,0 +1,18 @@
+use Vector2;
+
+#[test]
+fn constructors() {
+    assert_eq!(Vector2::new(27, 42), Vector2 { x: 27, y: 42 });
+    assert_eq!(Vector2::origin(), Vector2 { x: 0, y: 0 });
+    assert_eq!(Vector2::unit_x(), Vector2 { x: 1, y: 0 });
+    assert_eq!(Vector2::unit_y(), Vector2 { x: 0, y: 1 });
+}
+
+#[test]
+fn operators() {
+    let a = Vector2::new(3, 7);
+    let b = Vector2::new(-2, 5);
+
+    assert_eq!(a + b, Vector2::new(1, 12));
+    assert_eq!(a * 2, Vector2::new(6, 14));
+}