Fixing locale-dependent tests

Some tests failed when your system had `,` as decimal separator instead of
`.`.

Author: Kwestor

scalac-scoverage-plugin/src/test/scala/scoverage/CoberturaXmlWriterTest.scala

@@ -1,7 +1,7 @@
 package scoverage
 
 import java.io.File
-import java.util.UUID
+import java.util.{Locale, UUID}
 import javax.xml.parsers.DocumentBuilderFactory
 
 import org.scalatest.{BeforeAndAfter, FunSuite, OneInstancePerTest}
@@ -97,8 +97,10 @@ class CoberturaXmlWriterTest extends FunSuite with BeforeAndAfter with OneInstan
 
     val xml = XML.loadFile(fileIn(dir))
 
-    assert(xml \\ "coverage" \@ "line-rate" === "0.33", "line-rate")
-    assert(xml \\ "coverage" \@ "branch-rate" === "0.50", "branch-rate")
+    def formattedLocally(decimal: BigDecimal) = "%.2f".format(decimal)
+
+    assert(xml \\ "coverage" \@ "line-rate" === formattedLocally(0.33), "line-rate")
+    assert(xml \\ "coverage" \@ "branch-rate" === formattedLocally(0.50), "branch-rate")
 
   }
 }

scalac-scoverage-plugin/src/test/scala/scoverage/ScoverageXmlMergerTest.scala

@@ -9,6 +9,8 @@ class ScoverageXmlMergerTest extends FreeSpec with Matchers {
   val node1 = scala.xml.XML.load(getClass.getResourceAsStream("/scoverage/report1.xml"))
   val node2 = scala.xml.XML.load(getClass.getResourceAsStream("/scoverage/report2.xml"))
 
+  private def formattedLocally(decimal: BigDecimal) = "%.2f".format(decimal)
+
   "scoverage xml merger" - {
     "should add top level statement-count" in {
       val node = ScoverageXmlMerger.merge(List(node1, node2))
@@ -20,7 +22,7 @@ class ScoverageXmlMergerTest extends FreeSpec with Matchers {
     }
     "should recalculate statement-rate" in {
       val node = ScoverageXmlMerger.merge(List(node1, node2))
-      (node \ "@statement-rate").text.toDouble shouldBe 91.67
+      (node \ "@statement-rate").text shouldBe formattedLocally(91.67)
     }
     "should reset timestamp" in {
       val node = ScoverageXmlMerger.merge(List(node1, node2))