OperatingSystemUtils.setEnvVarSource(new TestEnvVarSource(envVarMap));
    }

    @Test
    void testBuildEmptyRequest() throws Exception {
        ToolchainsBuildingRequest request = new DefaultToolchainsBuildingRequest();
        ToolchainsBuildingResult result = toolchainBuilder.build(request);
        assertNotNull(result.getEffectiveToolchains());
        assertNotNull(result.getProblems());