Split target into app and test

Author: hayat01sh1da

ruby/Steepfile

@@ -6,7 +6,7 @@ target :app do
   check 'main.rb'
   check 'exec'
   check 'src'
-  check 'test'
+  ignore 'test'
   signature 'sig'
 
   library 'date'
@@ -15,3 +15,16 @@ target :app do
 
   configure_code_diagnostics(D::Ruby.default)
 end
+
+target :test do
+  ignore 'main.rb'
+  ignore 'exec'
+  ignore 'src'
+  check 'test'
+  signature 'sig'
+
+  library 'fileutils'
+  library 'minitest'
+
+  configure_code_diagnostics(D::Ruby.default)
+end