Add float range to test suite where needed

test/effects/effect_test_utils.dart

@@ -23,6 +23,9 @@ void effectTest(
   double expectedAngle = 0.0,
   Vector2 expectedPosition,
   Vector2 expectedSize,
+  // Only use when checking a value that is not in
+  // the start, end or peak of an iteration
+  double floatRange = 0.0,
 }) async {
   expectedPosition ??= Vector2.zero();
   expectedSize ??= Vector2.all(100.0);
@@ -39,9 +42,28 @@ void effectTest(
     game.update(stepDelta);
     timeLeft -= stepDelta;
   }
-  expect(component.position, expectedPosition);
-  expect(component.angle, expectedAngle);
-  expect(component.size, expectedSize);
+  if (floatRange != 0) {
+    bool acceptableVector(Vector2 vector, Vector2 expectedVector) {
+      return (expectedVector - vector).length < floatRange;
+    }
+
+    final bool acceptablePosition =
+        acceptableVector(component.position, expectedPosition);
+    final bool acceptableSize = acceptableVector(component.size, expectedSize);
+    final bool acceptableAngle =
+        (expectedAngle - component.angle).abs() < floatRange;
+    assert(acceptablePosition, "Position is not correct");
+    assert(acceptableAngle, "Angle is not correct");
+    assert(acceptableSize, "Size is not correct");
+  } else {
+    expect(
+      component.position,
+      expectedPosition,
+      reason: "Position is not correct",
+    );
+    expect(component.angle, expectedAngle, reason: "Angle is not correct");
+    expect(component.size, expectedSize, reason: "Size is not correct");
+  }
   expect(effect.hasFinished(), hasFinished);
   expect(callback.isCalled, hasFinished);
   game.update(0.0); // Since effects are removed before they are updated

test/effects/move_effect_test.dart

@@ -94,10 +94,8 @@ void main() {
       positionComponent,
       moveEffect,
       expectedPosition: path.last,
-      iterations: 1.0,
+      iterations: 3.0,
       hasFinished: false,
     );
   });
-
-  // TODO: test that tests speed, and not only duration
 }

test/effects/rotate_effect_test.dart

@@ -81,14 +81,11 @@ void main() {
   testWidgets('RotateEffect alternation can peak', (WidgetTester tester) async {
     final RotateEffect rotateEffect = effect(false, true);
     final PositionComponent positionComponent = component();
-    effectTest(
-      tester,
-      positionComponent,
-      rotateEffect,
-      expectedAngle: angleArgument,
-      hasFinished: false,
-      iterations: 0.5,
-    );
+    effectTest(tester, positionComponent, rotateEffect,
+        expectedAngle: angleArgument,
+        hasFinished: false,
+        iterations: 0.5,
+        floatRange: 0.000001);
   });
 
   testWidgets('RotateEffect can be infinite', (WidgetTester tester) async {
@@ -99,7 +96,7 @@ void main() {
       positionComponent,
       rotateEffect,
       expectedAngle: angleArgument,
-      iterations: 1.0,
+      iterations: 3.0,
       hasFinished: false,
     );
   });

test/effects/scale_effect_test.dart

@@ -94,7 +94,7 @@ void main() {
       positionComponent,
       scaleEffect,
       expectedSize: argumentSize,
-      iterations: 1.0,
+      iterations: 3.0,
       hasFinished: false,
     );
   });