Add `#+feature dynamic-literals` to tests

tests/core/hash/test_core_hash.odin

@@ -1,3 +1,4 @@
+#+feature dynamic-literals
 package test_core_hash
 
 import "core:hash/xxhash"

tests/core/hash/test_vectors_xxhash.odin

@@ -1,4 +1,5 @@
 // Hash Test Vectors
+#+feature dynamic-literals
 package test_core_hash
 
 XXHASH_Test_Vectors :: struct #packed {

tests/core/image/test_core_image.odin

@@ -7,6 +7,7 @@
 
 	A test suite for PNG, TGA, NetPBM, QOI and BMP.
 */
+#+feature dynamic-literals
 package test_core_image
 
 import "core:testing"