Fix merging of JaCoCo reports

gradle/testing.gradle

@@ -1,4 +1,4 @@
-apply plugin: 'jacoco'
+apply plugin: "jacoco"
 
 def jacocoCoverageAggregate = "$buildDir/jacoco/jacocoTestAll.exec"
 
@@ -6,17 +6,14 @@ def testedProjects() {
     subprojects.findAll { subproject -> subproject.plugins.hasPlugin('java') || subproject.plugins.hasPlugin('kotlin') }
 }
 
+gradle.projectsEvaluated {
     configure(testedProjects()) {
+        apply plugin: "jacoco"
 
         jacoco {
             toolVersion = '0.8.1'
         }
 
-    jacocoTestReport {
-        sourceDirectories = files(sourceSets.main.allSource.srcDirs)
-        classDirectories = files(sourceSets.main.output)
-    }
-
         test {
             reports {
                 junitXml.enabled = true
@@ -28,13 +25,12 @@ configure(testedProjects()) {
                 destinationFile = file("$buildDir/jacoco/jacocoTest.exec")
                 classDumpDir = file("$buildDir/jacoco/classpathdumps")
             }
-
         }
     }
 
     task jacocoMerge(type: JacocoMerge) {
         destinationFile = file(jacocoCoverageAggregate)
-    executionData = project.fileTree(dir: '.', include: '**/build/jacoco/test.exec')
+        executionData = project.fileTree(dir: '.', include: '**/build/jacoco/jacocoTest.exec')
     }
 
     sonarqube {
@@ -48,4 +44,5 @@ sonarqube {
     }
 
     tasks["sonarqube"].dependsOn(jacocoMerge)
+}