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Removing sbt deprecation warnings #131

Closed markusjura closed 7 years ago

markusjura commented 7 years ago

The following deprecation warnings have been introduced with the upgrade to SBT 0.13.13:

/Users/mj/workspace/conductr-lib/scala-conductr-bundle-lib/build.sbt:27: warning: `<<=` operator is deprecated. Use `key := { x.value }` or `key ~= (old => { newValue })`.
See http://www.scala-sbt.org/0.13/docs/Migrating-from-sbt-012x.html
testGrouping in Test <<= (definedTests in Test).map(groupByFirst)

This PR is removing the warning by using the following style:

testGrouping in Test := { (definedTests in Test).map(groupByFirst).value }