Install Python dependencies in install_dependencies.jl

This is required for the test to work in JuliaCIBot.

Author: tkf

ci/before_script.jl

@@ -25,22 +25,5 @@ if VERSION >= v"0.7.0-"
         String))
 end
 
-IPython.install_dependency("pytest"; force=true)
-IPython.install_dependency("ipython"; force=true)
-if get(ENV, "CONDA_JL_VERSION", "") == "2"
-    # For IPython.testing.globalipapp
-    IPython.install_dependency("mock"; force=true)
-end
-
 @info "show_versions.jl"
 include("show_versions.jl")
-
-@info "Pkg.build(IPython) since conda might have re-installed different Python"
-Pkg.build("IPython")
-
-if VERSION >= v"0.7.0-"
-    @info "PyCall/deps/build.log:"
-    print(read(
-        joinpath(dirname(dirname(pathof(IPython.PyCall))), "deps", "build.log"),
-        String))
-end

test/install_dependencies.jl

@@ -0,0 +1,16 @@
+using Compat: @info
+using IPython
+
+if VERSION >= v"0.7.0-"
+    @info "PyCall/deps/build.log:"
+    print(read(
+        joinpath(dirname(dirname(pathof(IPython.PyCall))), "deps", "build.log"),
+        String))
+end
+
+IPython.install_dependency("pytest"; force=true)
+IPython.install_dependency("ipython"; force=true)
+if get(ENV, "CONDA_JL_VERSION", "") == "2"
+    # For IPython.testing.globalipapp
+    IPython.install_dependency("mock"; force=true)
+end

test/runtests.jl

@@ -1,5 +1,9 @@
 # module TestIPython
 
+if lowercase(get(ENV, "CI", "false")) == "true"
+    include("install_dependencies.jl")
+end
+
 include("preamble.jl")
 
 IPython.envinfo()