chore: upgrade dev deps

.travis.yml

@@ -6,8 +6,6 @@ matrix:
   include:
   - node_js: 14
   - node_js: 12
-  # - node_js: 12
-  #   env: KARMA=true
   fast_finish: true
 env:
   global:

gulp-tasks/test.js

@@ -1,36 +1,28 @@
-import gulp  from 'gulp';
-import {Server as KarmaServer} from 'karma';
+import gulp from "gulp";
 
-import {coverage} from './coverage';
-import mochaGlobals from '../test/setup/.globals.json';
+import { coverage } from "./coverage";
+import mochaGlobals from "../test/setup/.globals.json";
 
 export function mocha() {
   const $ = global.$;
 
-  require('@babel/register');
-  return gulp.src(['test/setup/node.js', 'test/**/*.spec.js', 'src/**/*.spec.js'], {read: false})
-    .pipe($.mocha({
-      reporter: 'spec',
-      globals: Object.keys(mochaGlobals.globals),
-      ignoreLeaks: false
-    }));
+  require("@babel/register");
+  return gulp
+    .src(["test/setup/node.js", "test/**/*.spec.js", "src/**/*.spec.js"], {
+      read: false,
+    })
+    .pipe(
+      $.mocha({
+        reporter: "spec",
+        globals: Object.keys(mochaGlobals.globals),
+        ignoreLeaks: false,
+      })
+    );
 }
 
-function karma(done) {
-  new KarmaServer({
-    configFile: __dirname + '/../karma.conf.js',
-    singleRun: true
-  }, done).start();
-};
-
 function test(done) {
-  if (process.env.KARMA) {
-    karma(done);
-  } else {
-    coverage(done);
-  }
+  coverage(done);
 }
 
 // Lint and run our tests
-gulp.task('test', gulp.series('lint', test));
-gulp.task('test-browser', gulp.series('lint', karma));
+gulp.task("test", gulp.series("lint", test));