_tests( config ) {
		// the inject-loader used by some tests requires es2015 modules to be transpiled
		config.module.rules.unshift({
			test: /\.js$/,
			exclude: pDependencies,
			loader: "babel-loader",
			options: buildBabelConfig({
				plugins: [
					"@babel/plugin-transform-modules-commonjs"
				]
			})
		});
	}
Configurations related to creating test and coverage builds