fix tests

Author: Dieterbe

test/weight/weight_form_test.dart

@@ -52,10 +52,10 @@ void main() {
     expect(find.text('79'), findsOneWidget);
 
     await tester.tap(find.byKey(const Key('quickMinusSmall')));
-    expect(find.text('78.75'), findsOneWidget);
+    expect(find.text('78.9'), findsOneWidget);
 
     await tester.tap(find.byKey(const Key('quickPlus')));
-    expect(find.text('79.75'), findsOneWidget);
+    expect(find.text('79.9'), findsOneWidget);
 
     await tester.tap(find.byKey(const Key('quickPlusSmall')));
     expect(find.text('80.0'), findsOneWidget);