Needed more heap size for tests.

Kai Reinhard

17.27.2018 48272189a7d5371743b2dd6ccf1c017082dcf3ce

 borgbutler-core/build.gradle

@@ -30,3 +30,9 @@
    version = '1.18.4'
    sha256 = "" // skip verifyLombok task
}

test {
    // set heap size for the test JVM(s)
    minHeapSize = "128m"
    maxHeapSize = "1500m"
}