Added plugin for retry tests

buildSrc/build.gradle.kts

@@ -17,4 +17,5 @@ dependencies {
     implementation("org.ajoberstar.grgit:grgit-core:4.1.0")
     implementation("com.squareup:kotlinpoet:1.8.0")
     implementation("com.google.code.gson:gson:2.8.6")
+    implementation("org.gradle:test-retry-gradle-plugin:1.3.1")
 }

buildSrc/src/main/kotlin/org/cqfn/save/buildutils/kotlin-library.gradle.kts

@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.gradle.targets.jvm.tasks.KotlinJvmTest
 plugins {
     kotlin("multiplatform")
     kotlin("plugin.serialization")
+    id("org.gradle.test-retry")
 }
 
 kotlin {
@@ -99,3 +100,11 @@ configurePublishing()
 tasks.withType<KotlinJvmTest> {
     useJUnitPlatform()
 }
+
+tasks.withType<Test> {
+    retry {
+        failOnPassedAfterRetry.set(false)
+        maxFailures.set(10)
+        maxRetries.set(5)
+    }
+}

examples/discovery-test/highlevel/save.toml

@@ -1,7 +1,7 @@
 [general]
 execCmd = "./detekt"
 tags = ["test"]
-description = "My description 2"
+description = "Test suite"
 suiteName = "DocsCheck"
 
 [warn]

examples/discovery-test/highlevel/suite2/inner/save.toml

@@ -1,7 +1,7 @@
 [general]
 execCmd="./ktlint -R diktat-0.4.2.jar"
 tags = ["mytags"]
-description = "My suite description"
+description = "Empty suite"
 suiteName = "DocsCheck"
 
 [fix]

examples/discovery-test/save.toml

@@ -1,7 +1,7 @@
 [general]
 execCmd = "./detekt"
 tags = ["test"]
-description = "My description 1"
+description = "All suites"
 suiteName = "DocsCheck"
 
 [warn]

save-core/src/commonNonJsMain/kotlin/org/cqfn/save/core/files/ConfigDetector.kt

@@ -37,8 +37,8 @@ class ConfigDetector(private val fs: FileSystem) {
             }
             ?: run {
                 logError("Config file was not found in $testConfig")
-                throw IllegalArgumentException("Provided option '--test-config' $testConfig doesn't correspond" +
-                        " to a valid save.toml file")
+                throw IllegalArgumentException("Provided directory [$testConfig] doesn't contain" +
+                        " save.toml configuration file")
             }
     }