Fix tests on older Node versions

tap@10 has a transitive dependency that breaks. npm@3 fails for some reason on Node 5.x but not Node 4.x.
pi0 · Mar 6, 2021 · c2b4e92 · c2b4e92
1 parent 5cd9c76
commit c2b4e92
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diff --git a/.travis.yml b/.travis.yml
@@ -11,6 +11,12 @@ node_js:
   - "12"
   - "14"
   - "15"
+before_install:
+  - case "$TRAVIS_NODE_VERSION" in
+    5|5.6.0)
+      npm install -g npm@4;
+      ;;
+    esac
 script:
   - case "$TRAVIS_NODE_VERSION" in
     4|5.6.0)

diff --git a/package.json b/package.json
@@ -27,7 +27,7 @@
     "rimraf": "^2.5.4",
     "rxjs": "6.6.3",
     "semver": "^5.3.0",
-    "tap": "^10.1.1",
+    "tap": "^9.0.0",
     "temp": "^0.8.3",
     "yarn": "1.22.10"
   }