test: use ASCII-only bit-pack vector names for Windows ctest

Author: Johnson-Ogundeji

tests/test_encoding_vectors.cpp

@@ -126,7 +126,7 @@ TEST_CASE("Bit-pack 8 values [0..7] at bw=3 known pattern", "[encoding][rle][vec
     }
 }
 
-TEST_CASE("Bit-pack alternating at bw=1 → 0x55", "[encoding][rle][vectors]") {
+TEST_CASE("Bit-pack alternating at bw=1 to 0x55", "[encoding][rle][vectors]") {
     // [1,0,1,0,1,0,1,0] at bw=1 = 0x55 (01010101 binary)
     uint64_t values[8] = {1, 0, 1, 0, 1, 0, 1, 0};
     std::vector<uint8_t> packed;
@@ -136,7 +136,7 @@ TEST_CASE("Bit-pack alternating at bw=1 → 0x55", "[encoding][rle][vectors]") {
     REQUIRE(packed[0] == 0x55);
 }
 
-TEST_CASE("Bit-pack all-ones at bw=1 → 0xFF", "[encoding][rle][vectors]") {
+TEST_CASE("Bit-pack all-ones at bw=1 to 0xFF", "[encoding][rle][vectors]") {
     uint64_t values[8] = {1, 1, 1, 1, 1, 1, 1, 1};
     std::vector<uint8_t> packed;
     bit_pack_8(packed, values, 1);