diff --git a/shell/exercism.fish b/shell/exercism.fish
index dc20fdce0..28702a48f 100644
--- a/shell/exercism.fish
+++ b/shell/exercism.fish
@@ -15,7 +15,7 @@ complete -f -c exercism -n "__fish_seen_subcommand_from download" -s u -l uuid -
 
 # Help
 complete -f -c exercism -n "__fish_use_subcommand" -a "help" -d "Shows a list of commands or help for one command"
-complete -f -c exercism -n "__fish_seen_subcommand_from help" -a "configure download help open submit troubleshoot upgrade version workspace"
+complete -f -c exercism -n "__fish_seen_subcommand_from help" -a "configure download help open submit test troubleshoot upgrade version workspace"
 
 # Open
 complete -f -c exercism -n "__fish_use_subcommand" -a "open" -d "Opens a browser to exercism.io for the specified submission."
@@ -25,6 +25,10 @@ complete -f -c exercism -n "__fish_seen_subcommand_from open" -s h -l help -d "h
 complete -f -c exercism -n "__fish_use_subcommand" -a "submit" -d "Submits a new iteration to a problem on exercism.io."
 complete -f -c exercism -n "__fish_seen_subcommand_from submit" -s h -l help -d "help for submit"
 
+# Test
+complete -f -c exercism -n "__fish_use_subcommand" -a "test" -d "Run the exercise's tests."
+complete -f -c exercism -n "__fish_seen_subcommand_from submit" -s h -l help -d "help for test"
+
 # Troubleshoot
 complete -f -c exercism -n "__fish_use_subcommand" -a "troubleshoot" -d "Outputs useful debug information."
 complete -f -c exercism -n "__fish_seen_subcommand_from troubleshoot" -s f -l full-api-key -d "display full API key (censored by default)"
diff --git a/shell/exercism_completion.bash b/shell/exercism_completion.bash
index f5f4e9010..6864ec153 100644
--- a/shell/exercism_completion.bash
+++ b/shell/exercism_completion.bash
@@ -7,7 +7,7 @@ _exercism () {
   opts="--verbose --timeout"
 
   commands="configure download open
-  submit troubleshoot upgrade version workspace help"
+  submit test troubleshoot upgrade version workspace help"
   config_opts="--show"
   version_opts="--latest"
 
diff --git a/shell/exercism_completion.zsh b/shell/exercism_completion.zsh
index 424b24e67..5d476ac66 100644
--- a/shell/exercism_completion.zsh
+++ b/shell/exercism_completion.zsh
@@ -8,6 +8,7 @@ options=(configure:"Writes config values to a JSON file."
          download:"Downloads and saves a specified submission into the local system"
          open:"Opens a browser to exercism.io for the specified submission."
          submit:"Submits a new iteration to a problem on exercism.io."
+         test:"Run the exercise's tests."
          troubleshoot:"Outputs useful debug information."
          upgrade:"Upgrades to the latest available version."
          version:"Outputs version information."