fix: set home dir to test env in gh-r tests (#582)

Signed-off-by: Vladislav Doster <[email protected]>

tests/gh-r.zunit

@@ -2,6 +2,7 @@
 
 
 @setup {
+  HOME="$ZPFX" # Stops programs creating directories in user home
   export ZBIN="${ZPFX}/bin"
   export os_type="${OSTYPE//[0-9\.]*/}"
   zinit default-ice --quiet from'gh-r' nocompile lbin''
@@ -77,7 +78,7 @@
   [[ $OSTYPE =~ 'darwin*' ]] && skip "on $os_type"
   run zinit for @imsnif/bandwhich; assert $state equals 0
   local bandwhich="$ZBIN/bandwhich"; assert "$bandwhich" is_executable
-  run $bandwhich --version; assert $state equals 0
+  run $bandwhich --help; assert $state equals 0
 }
 @test 'bat' { # A cat(1) clone with wings
   run zinit for @sharkdp/bat; assert $state equals 0