diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e54da91..a5ad7fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -439,7 +439,22 @@ jobs:
 
       - name: Setup ICU
         shell: pwsh
-        run: 'Add-Content $Env:BOOST_ROOT/project-config.jam "path-constant ICU_PATH : `"$($pwd.Path)\ICU`" ;"'
+        run: |
+          $icuPath = (Join-Path $pwd "ICU") -replace '\\', '/'
+
+          if (-not (Test-Path $icuPath)) {
+            Write-Error "ICU directory not found at $icuPath"
+            exit 1
+          }
+
+          Get-ChildItem $icuPath | ForEach-Object { Write-Host "  $_" }
+          Write-Host ""
+
+          $jamPath = Join-Path $env:BOOST_ROOT "project-config.jam"
+          Add-Content $jamPath "path-constant ICU_PATH : `"$icuPath`" ;"
+
+          Write-Host "Contents of project-config.jam:"
+          Get-Content $jamPath | ForEach-Object { Write-Host "  $_" }
 
       - name: Run tests (WinAPI, without coverage)
         if: '!matrix.coverage'
@@ -478,8 +493,12 @@ jobs:
       - name: Show config before collecting coverage
         if: matrix.coverage
         run: |
+          type %BOOST_ROOT%\project-config.jam
           set B2_TARGETS=libs/%SELF%/test//show_config --verbose-test
-          ci\build.bat
+          set B2_FLAGS=--debug-configuration
+          ci\build.bat || exit /b 1
+          echo Config log:
+          type %BOOST_ROOT%/bin.v2/config.log
         env:
           B2_TOOLSET: ${{matrix.toolset}}
           B2_CXXSTD: ${{matrix.cxxstd}}
diff --git a/test/show_config.cpp b/test/show_config.cpp
index 56b592c..34f7fb1 100644
--- a/test/show_config.cpp
+++ b/test/show_config.cpp
@@ -40,8 +40,8 @@ const char* env(const char* s)
 #    pragma warning(pop)
 #endif
     if(r)
-        return r;
-    return "";
+        return r; // LCOV_EXCL_LINE
+    return "";    // LCOV_EXCL_LINE
 }
 
 void check_locales(const std::vector<const char*>& names)
@@ -59,12 +59,18 @@ void check_locales(const std::vector<const char*>& names)
 
 void test_main(int /*argc*/, char** /*argv*/)
 {
-    std::cerr << "- char8_t: ";
+    std::cerr << "- Character support: ";
+    std::cerr << (sizeof(wchar_t) * 8) << "bit-wchar_t ";
 #ifdef __cpp_char8_t
-    std::cerr << "yes\n";
-#else
-    std::cerr << "no\n";
+    std::cerr << "char8_t ";
 #endif
+#ifdef BOOST_LOCALE_ENABLE_CHAR16_T
+    std::cerr << "char16_t ";
+#endif
+#ifdef BOOST_LOCALE_ENABLE_CHAR32_T
+    std::cerr << "char32_t ";
+#endif
+    std::cerr << std::endl;
     std::cerr << "- std::basic_string<char8_t>: ";
 #ifdef __cpp_lib_char8_t
     std::cerr << "yes\n";
@@ -90,6 +96,7 @@ void test_main(int /*argc*/, char** /*argv*/)
 #else
     std::cerr << "- Without iconv\n";
 #endif
+
     std::cerr << "- Environment \n";
     std::cerr << "  LANG=" << env("LANG") << std::endl;
     std::cerr << "  LC_ALL=" << env("LC_ALL") << std::endl;
diff --git a/test/test_encoding.cpp b/test/test_encoding.cpp
index 8bfcf7a..05c8e3c 100644
--- a/test/test_encoding.cpp
+++ b/test/test_encoding.cpp
@@ -341,7 +341,7 @@ struct utfutf<wchar_t, 4> {
         if(iConvUsesWTF8()) {
             static char buf[16] = "\x67\x72\xF9\x80\x80\x80\x80"
                                   "üßen";
-            return buf;
+            return buf; // LCOV_EXCL_LINE
         } else {
             return utfutf<char>::ok();
         }
@@ -464,8 +464,8 @@ void test_utf_for()
         if(iConvUsesWTF8() && utfutf<Char>::bad_decoded_to_utf8() != utfutf<char>::ok()) {
             // Run just this one test, as there won't be an error reported so the "stop" tests will fail.
             // Other backends might do it correctly but we can't pass multiple expected results here.
-            TEST_EQ(boost::locale::conv::from_utf<Char>(utfutf<Char>::bad(), "UTF-8"),
-                    utfutf<Char>::bad_decoded_to_utf8());
+            TEST_EQ(boost::locale::conv::from_utf<Char>(utfutf<Char>::bad(), "UTF-8"), // LCOV_EXCL_LINE
+                    utfutf<Char>::bad_decoded_to_utf8());                              // LCOV_EXCL_LINE
         } else
             test_error_from_utf<Char>(utfutf<Char>::bad(), utfutf<Char>::bad_decoded_to_utf8(), "UTF-8");
         std::cout << "-- Error for decoding to Latin1" << std::endl;
@@ -476,7 +476,7 @@ void test_utf_for()
         std::string expected = utfutf<Char>::bad_char_decoded_to_utf8();
         expected += expected; // 2 bad chars
         if(iConvUsesWTF8() && utfutf<Char>::bad_decoded_to_utf8() != utfutf<char>::ok())
-            TEST_EQ(boost::locale::conv::from_utf<Char>(onlyInvalidUtf, "UTF-8"), expected);
+            TEST_EQ(boost::locale::conv::from_utf<Char>(onlyInvalidUtf, "UTF-8"), expected); // LCOV_EXCL_LINE
         else
             test_error_from_utf<Char>(onlyInvalidUtf, expected, "UTF-8");
         std::cout << "-- Error decoding string of only invalid chars to Latin1" << std::endl;