diff --git a/sbt-plugin/src/sbt-test/incremental/change-config-and-source/test b/sbt-plugin/src/sbt-test/incremental/change-config-and-source/test
index ef7ec63928..65b2df4fa2 100644
--- a/sbt-plugin/src/sbt-test/incremental/change-config-and-source/test
+++ b/sbt-plugin/src/sbt-test/incremental/change-config-and-source/test
@@ -1,16 +1,16 @@
 $ copy-file Main.scala.first Main.scala
-> fastOptJS
-$ copy-file target/scala-2.12/change-config-and-source-fastopt.js target/scala-2.12/output-1.js
+> linkJSDev
+$ copy-file target/scala-2.12/change-config-and-source-dev/main.js target/scala-2.12/output-1.js
 
-# When the linker config and source both change, re-running fastOptJS should re-link:
+# When the linker config and source both change, re-running linkJSDev should re-link:
 > set scalaJSLinkerConfig ~= (_.withOptimizer(false))
 $ copy-file Main.scala.second Main.scala
-> fastOptJS
--$ must-mirror target/scala-2.12/change-config-and-source-fastopt.js target/scala-2.12/output-1.js
-$ newer target/scala-2.12/change-config-and-source-fastopt.js target/scala-2.12/output-1.js
-$ copy-file target/scala-2.12/change-config-and-source-fastopt.js target/scala-2.12/output-2.js
+> linkJSDev
+-$ must-mirror target/scala-2.12/change-config-and-source-dev/main.js target/scala-2.12/output-1.js
+$ newer target/scala-2.12/change-config-and-source-dev/main.js target/scala-2.12/output-1.js
+$ copy-file target/scala-2.12/change-config-and-source-dev/main.js target/scala-2.12/output-2.js
 
 # However, this re-linking should not happen more than once:
-> fastOptJS
-$ must-mirror target/scala-2.12/change-config-and-source-fastopt.js target/scala-2.12/output-2.js
--$ newer target/scala-2.12/change-config-and-source-fastopt.js target/scala-2.12/output-2.js
+> linkJSDev
+$ must-mirror target/scala-2.12/change-config-and-source-dev/main.js target/scala-2.12/output-2.js
+-$ newer target/scala-2.12/change-config-and-source-dev/main.js target/scala-2.12/output-2.js
diff --git a/sbt-plugin/src/sbt-test/incremental/change-config/test b/sbt-plugin/src/sbt-test/incremental/change-config/test
index d742fc6180..4ffbe4f8c9 100644
--- a/sbt-plugin/src/sbt-test/incremental/change-config/test
+++ b/sbt-plugin/src/sbt-test/incremental/change-config/test
@@ -1,14 +1,14 @@
-> fastOptJS
-$ copy-file target/scala-2.12/change-config-fastopt.js target/scala-2.12/output-1.js
+> linkJSDev
+$ copy-file target/scala-2.12/change-config-dev/main.js target/scala-2.12/output-1.js
 
-# When the linker config changes, re-running fastOptJS should re-link:
+# When the linker config changes, re-running linkJSDev should re-link:
 > set scalaJSLinkerConfig ~= (_.withOptimizer(false))
-> fastOptJS
--$ must-mirror target/scala-2.12/change-config-fastopt.js target/scala-2.12/output-1.js
-$ newer target/scala-2.12/change-config-fastopt.js target/scala-2.12/output-1.js
-$ copy-file target/scala-2.12/change-config-fastopt.js target/scala-2.12/output-2.js
+> linkJSDev
+-$ must-mirror target/scala-2.12/change-config-dev/main.js target/scala-2.12/output-1.js
+$ newer target/scala-2.12/change-config-dev/main.js target/scala-2.12/output-1.js
+$ copy-file target/scala-2.12/change-config-dev/main.js target/scala-2.12/output-2.js
 
 # However, this re-linking should not happen more than once:
-> fastOptJS
-$ must-mirror target/scala-2.12/change-config-fastopt.js target/scala-2.12/output-2.js
--$ newer target/scala-2.12/change-config-fastopt.js target/scala-2.12/output-2.js
+> linkJSDev
+$ must-mirror target/scala-2.12/change-config-dev/main.js target/scala-2.12/output-2.js
+-$ newer target/scala-2.12/change-config-dev/main.js target/scala-2.12/output-2.js
diff --git a/sbt-plugin/src/sbt-test/incremental/fix-compile-error/test b/sbt-plugin/src/sbt-test/incremental/fix-compile-error/test
index 89e851d96f..7d972bac38 100644
--- a/sbt-plugin/src/sbt-test/incremental/fix-compile-error/test
+++ b/sbt-plugin/src/sbt-test/incremental/fix-compile-error/test
@@ -1,6 +1,6 @@
 $ copy-file Data.scala.good Data.scala
-> fastOptJS
+> linkJSDev
 $ copy-file Data.scala.broken Data.scala
--> fastOptJS
+-> linkJSDev
 $ copy-file Data.scala.fixed Data.scala
-> fastOptJS
+> linkJSDev
diff --git a/sbt-plugin/src/sbt-test/linker/no-root-dependency-resolution/test b/sbt-plugin/src/sbt-test/linker/no-root-dependency-resolution/test
index 03d3c1de2a..d7fa4a7571 100644
--- a/sbt-plugin/src/sbt-test/linker/no-root-dependency-resolution/test
+++ b/sbt-plugin/src/sbt-test/linker/no-root-dependency-resolution/test
@@ -1 +1 @@
-> my-project/compile:fastOptJS
+> my-project/compile:linkJSDev
diff --git a/sbt-plugin/src/sbt-test/linker/non-existent-classpath/test b/sbt-plugin/src/sbt-test/linker/non-existent-classpath/test
index 04d8f67a66..ecee0f1897 100644
--- a/sbt-plugin/src/sbt-test/linker/non-existent-classpath/test
+++ b/sbt-plugin/src/sbt-test/linker/non-existent-classpath/test
@@ -1 +1 @@
-> fastOptJS
+> linkJSDev