fix: typo

Author: r3v4s

Diff for: Makefile

@@ -34,8 +34,7 @@ test.prepare:
 	done
 	# Copy over gnoswap code.
 
-	TEST_TOKENS := $(wildcard $(PWD)/__local/grc20_tokens/*)
-
+	TEST_TOKENS:=$(wildcard $(PWD)/__local/grc20_tokens/*)
 	cp -R $(TEST_TOKENS) ".test/examples/gno.land/r/demo" # test tokens
 	cp -R "$(PWD)/_deploy/r/demo/*" ".test/examples/gno.land/r/demo" # gnft, gns