Make shellcheck happier

tests/project-root1.sh

@@ -44,7 +44,7 @@ testResolveSymlink001() {
     link="$d2"/link
     ln -s "$d1"/target "$link"
 
-    resolved=$(resolve_symlink $link)
+    resolved=$(resolve_symlink "$link")
 
     assertEquals "$expected" "$resolved"
 }
@@ -69,7 +69,7 @@ testWfRoot() {
     git init >/dev/null 2>&1
     "$DIR"/../install.sh 2>&2 >/dev/null
 
-    got=$(wf_root $(pwd))
+    got=$(wf_root "$(pwd)")
 
     assertEquals "$expected" "$got"
 }