Add test for ValueNotPresentWhenFittedError

tests/safeds/data/tabular/transformation/test_one_hot_encoder.py

@@ -1,7 +1,7 @@
 import pytest
 from safeds.data.tabular.containers import Table
 from safeds.data.tabular.transformation import OneHotEncoder
-from safeds.exceptions import TransformerNotFittedError, UnknownColumnNameError
+from safeds.exceptions import TransformerNotFittedError, UnknownColumnNameError, ValueNotPresentWhenFittedError
 
 
 class TestFit:
@@ -60,6 +60,23 @@ def test_should_raise_if_not_fitted(self) -> None:
         with pytest.raises(TransformerNotFittedError):
             transformer.transform(table)
 
+    def test_should_raise_value_not_present_when_fitted(self) -> None:
+        fit_table = Table(
+            {
+                "col1": ["a"],
+            },
+        )
+        transform_table = Table(
+            {
+                "col1": ["b"],
+            },
+        )
+
+        transformer = OneHotEncoder().fit(fit_table, None)
+
+        with pytest.raises(ValueNotPresentWhenFittedError):
+            transformer.transform(transform_table)
+
 
 class TestIsFitted:
     def test_should_return_false_before_fitting(self) -> None: