diff --git a/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/CoderSpec.scala b/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/CoderSpec.scala
index d35e17bab2..db5d42b1b8 100644
--- a/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/CoderSpec.scala
+++ b/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/CoderSpec.scala
@@ -66,7 +66,7 @@ abstract class CoderSpec extends WordSpec with CodecSpecSupport with Inspectors
     }
     "properly round-trip encode/decode an HttpRequest" in {
       val request = HttpRequest(POST, entity = HttpEntity(largeText))
-      Coder.decode(Coder.encode(request)).toStrict(1.second).awaitResult(1.second) should equal(request)
+      Coder.decode(Coder.encode(request)).toStrict(3.seconds).awaitResult(3.seconds) should equal(request)
     }
 
     if (corruptInputCheck) {
@@ -121,7 +121,7 @@ abstract class CoderSpec extends WordSpec with CodecSpecSupport with Inspectors
         Source.single(compressed)
           .via(Coder.withMaxBytesPerChunk(limit).decoderFlow)
           .limit(4200).runWith(Sink.seq)
-          .awaitResult(1.second)
+          .awaitResult(3.seconds)
 
       forAll(resultBs) { bs ⇒
         bs.length should be < limit
@@ -145,7 +145,7 @@ abstract class CoderSpec extends WordSpec with CodecSpecSupport with Inspectors
           .via(Coder.decoderFlow)
           .runFold(Seq.empty[Int])(_ :+ _.size)
 
-      sizes shouldEqual sizesAfterRoundtrip.awaitResult(1.second)
+      sizes shouldEqual sizesAfterRoundtrip.awaitResult(3.seconds)
     }
 
     extraTests()
@@ -153,7 +153,7 @@ abstract class CoderSpec extends WordSpec with CodecSpecSupport with Inspectors
 
   def encode(s: String) = ourEncode(ByteString(s, "UTF8"))
   def ourEncode(bytes: ByteString): ByteString = Coder.encode(bytes)
-  def ourDecode(bytes: ByteString): ByteString = Coder.decode(bytes).awaitResult(1.second)
+  def ourDecode(bytes: ByteString): ByteString = Coder.decode(bytes).awaitResult(3.seconds)
 
   lazy val corruptContent = {
     val content = encode(largeText).toArray
diff --git a/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/DecoderSpec.scala b/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/DecoderSpec.scala
index dfdfcb9139..a4a052b15b 100644
--- a/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/DecoderSpec.scala
+++ b/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/DecoderSpec.scala
@@ -27,12 +27,12 @@ class DecoderSpec extends WordSpec with CodecSpecSupport {
       val request = HttpRequest(POST, entity = HttpEntity(smallText), headers = List(`Content-Encoding`(DummyDecoder.encoding)))
       val decoded = DummyDecoder.decode(request)
       decoded.headers shouldEqual Nil
-      decoded.entity.toStrict(1.second).awaitResult(1.second) shouldEqual HttpEntity(dummyDecompress(smallText))
+      decoded.entity.toStrict(3.seconds).awaitResult(3.seconds) shouldEqual HttpEntity(dummyDecompress(smallText))
     }
   }
 
   def dummyDecompress(s: String): String = dummyDecompress(ByteString(s, "UTF8")).decodeString("UTF8")
-  def dummyDecompress(bytes: ByteString): ByteString = DummyDecoder.decode(bytes).awaitResult(1.second)
+  def dummyDecompress(bytes: ByteString): ByteString = DummyDecoder.decode(bytes).awaitResult(3.seconds)
 
   case object DummyDecoder extends StreamDecoder {
     val encoding = HttpEncodings.compress
diff --git a/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/EncoderSpec.scala b/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/EncoderSpec.scala
index b257063b85..08dd1a8e6a 100644
--- a/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/EncoderSpec.scala
+++ b/akka-http-tests/src/test/scala/akka/http/scaladsl/coding/EncoderSpec.scala
@@ -23,7 +23,7 @@ class EncoderSpec extends WordSpec with CodecSpecSupport {
       val request = HttpRequest(POST, entity = HttpEntity(smallText))
       val encoded = DummyEncoder.encode(request)
       encoded.headers shouldEqual List(`Content-Encoding`(DummyEncoder.encoding))
-      encoded.entity.toStrict(1.second).awaitResult(1.second) shouldEqual HttpEntity(dummyCompress(smallText))
+      encoded.entity.toStrict(3.seconds).awaitResult(3.seconds) shouldEqual HttpEntity(dummyCompress(smallText))
     }
   }
 
diff --git a/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/FileAndResourceDirectivesSpec.scala b/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/FileAndResourceDirectivesSpec.scala
index 2665453fe8..3e8b3039a7 100644
--- a/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/FileAndResourceDirectivesSpec.scala
+++ b/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/FileAndResourceDirectivesSpec.scala
@@ -24,8 +24,8 @@ import akka.http.scaladsl.TestUtils.writeAllText
 class FileAndResourceDirectivesSpec extends RoutingSpec with Inspectors with Inside {
 
   // operations touch files, can be randomly hit by slowness
-  implicit val routeTestTimeout = RouteTestTimeout(3.seconds) 
-  
+  implicit val routeTestTimeout = RouteTestTimeout(3.seconds)
+
   override def testConfigSource = "akka.http.routing.range-coalescing-threshold = 1"
 
   "getFromFile" should {