diff --git a/test/npm/test-npm-install.js b/test/npm/test-npm-install.js
index e13e4953..812774a6 100644
--- a/test/npm/test-npm-install.js
+++ b/test/npm/test-npm-install.js
@@ -46,7 +46,7 @@ test('npm-install: custom install command', async (t) => {
   const context = npmContext(
     {
       name: 'omg-i-pass-with-install-param',
-      install: ['install', '--extra-param']
+      envVar: { npm_config_extra_param: 'true' }
     },
     packageManagers,
     sandbox,
diff --git a/test/test-citgm.js b/test/test-citgm.js
index 23566c4c..a35abeda 100644
--- a/test/test-citgm.js
+++ b/test/test-citgm.js
@@ -40,6 +40,7 @@ test('citgm: omg-i-pass from git url', (t) => {
   const mod = 'git+https://github.com/MylesBorins/omg-i-pass';
 
   const tester = new Tester(mod, options);
+  tester.module.envVar = { npm_config_allow_git: 'all' };
   tester
     .on('start', (name) => {
       t.equal(name, mod, 'it should be the raw URL');