diff --git a/.travis.yml b/.travis.yml
index eb544af5..f20a425d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ script:
  # - julia -e 'Pkg.clone("https://github.com/tbreloff/Images.jl.git"); Pkg.checkout("Images","tom_imgcompare");'
  # - julia -e 'Pkg.clone("Images"); Pkg.build("Images")'
  # - julia -e 'Pkg.clone("ImageMagick"); Pkg.build("ImageMagick")'
+ - julia -e 'Pkg.clone("https://github.com/tbreloff/ImageMagick.jl.git"); Pkg.checkout("ImageMagick","tb_write"); Pkg.build("ImageMagick")'
  - julia -e 'Pkg.clone("https://github.com/tbreloff/VisualRegressionTests.jl.git");'
  - julia -e 'Pkg.clone("https://github.com/tbreloff/ExamplePlots.jl.git");'
  # - julia -e 'Pkg.add("Cairo"); Pkg.build("Cairo")'
diff --git a/src/colors.jl b/src/colors.jl
index e669523d..f5da9f2c 100644
--- a/src/colors.jl
+++ b/src/colors.jl
@@ -114,9 +114,9 @@ end
 #   ColorGradient(map(convertColor, cs), vals; kw...)
 # end
 
-# function ColorGradient(grad::ColorGradient; alpha = nothing)
-#   ColorGradient(convertColor(grad.colors, alpha), grad.values)
-# end
+function ColorGradient(grad::ColorGradient; alpha = nothing)
+  ColorGradient(convertColor(grad.colors, alpha), grad.values)
+end
 
 getColor(gradient::ColorGradient, idx::Int) = gradient.colors[mod1(idx, length(gradient.colors))]
 
diff --git a/test/REQUIRE b/test/REQUIRE
index 42789931..796b2ed3 100644
--- a/test/REQUIRE
+++ b/test/REQUIRE
@@ -7,7 +7,6 @@ FactCheck
 Cairo
 Gadfly
 Images
-ImageMagick
 PyPlot
 @osx QuartzImageIO
 GR
diff --git a/test/runtests.jl b/test/runtests.jl
index 1ef7b04e..c9289a12 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -33,5 +33,12 @@ facts("GR") do
     # image_comparison_facts(:gr, only=[1], eps=img_eps)
 end
 
+facts("PlotlyJS") do
+    @fact plotlyjs() --> Plots.PlotlyJSBackend()
+    @fact backend() --> Plots.PlotlyJSBackend()
+
+    image_comparison_facts(:plotlyjs, only=[1,2,3,4,7,8,9,10,11,12,14,15,20,22,23,24], eps=img_eps)
+end
+
 FactCheck.exitstatus()
 end # module