diff --git a/test/stl/CMakeLists.txt b/test/stl/CMakeLists.txt
index adf98d8760..8107a07dab 100644
--- a/test/stl/CMakeLists.txt
+++ b/test/stl/CMakeLists.txt
@@ -4,5 +4,5 @@ set(test_sources
     ${test_sources}
     ${dir}/vector_memory_adapter_test.cpp
     ${dir}/complex_datatype_trait_test.cpp
-    ${dir}/fixed_utf8_string_test.cpp
+    ${dir}/string_types_test.cpp
     PARENT_SCOPE)
diff --git a/test/stl/fixed_utf8_string_test.cpp b/test/stl/string_types_test.cpp
similarity index 94%
rename from test/stl/fixed_utf8_string_test.cpp
rename to test/stl/string_types_test.cpp
index 8f2a2b54c6..347b33c52a 100644
--- a/test/stl/fixed_utf8_string_test.cpp
+++ b/test/stl/string_types_test.cpp
@@ -83,11 +83,13 @@ TYPED_TEST(BaseStringTest, test_copy_assignment)
 {
   TypeParam new_string;
   new_string = this->original_string;
+  EXPECT_EQ(this->original_string, new_string);
 }
 
 TYPED_TEST(BaseStringTest, test_move_assignment)
 {
   TypeParam new_string;
-  new_string = std::move(this->original_string);
+  new_string = std::move(this->temp_string);
+  EXPECT_EQ(this->original_string, new_string);
 }