refactor: additional unit tests enabled for the V2 build

test/unit_test/static/CMakeLists.txt

@@ -44,7 +44,7 @@ add_library(
     # dimension_op_test.cpp
     dimension_test.cpp
     # dimensions_concepts_test.cpp
-    # fixed_string_test.cpp
+    fixed_string_test.cpp
     # fps_test.cpp
     # iec80000_test.cpp
     isq_test.cpp
@@ -52,7 +52,7 @@ add_library(
     magnitude_test.cpp
     # math_test.cpp
     # point_origin_test.cpp
-    # prime_test.cpp
+    prime_test.cpp
     quantity_spec_test.cpp
     ratio_test.cpp
     reference_test.cpp
@@ -60,7 +60,7 @@ add_library(
     # si_fps_test.cpp
     # si_hep_test.cpp
     # si_test.cpp
-    # symbol_text_test.cpp
+    symbol_text_test.cpp
     type_list_test.cpp
     unit_test.cpp
     # us_test.cpp