diff --git a/.gitignore b/.gitignore
index 98c52b8..e69de29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +0,0 @@
-test/*_fish
-test/*_bash
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..060a6f2
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+*
+!.gitignore
+!runConfigurations
diff --git a/.idea/runConfigurations/All_features_in_features__sdkman_for_fish.xml b/.idea/runConfigurations/All_features_in_features__sdkman_for_fish.xml
deleted file mode 100644
index d85c24c..0000000
--- a/.idea/runConfigurations/All_features_in_features__sdkman_for_fish.xml
+++ /dev/null
@@ -1,51 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All features in features: sdkman-for-fish" type="CucumberRunConfigurationType" factoryName="Cucumber">
-    <module name="sdkman-for-fish" />
-    <predefined_log_file enabled="true" id="RUBY_CUCUMBER" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$/test" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="true" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="Remote: ruby-3.0.2-p107" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
-    <envs>
-      <env name="JRUBY_OPTS" value="-X+O" />
-    </envs>
-    <EXTENSION ID="BundlerRunConfigurationExtension" BUNDLE_MODE="AUTO" bundleExecEnabled="true" />
-    <EXTENSION ID="RubyCoverageRunConfigurationExtension" runner="rcov">
-      <COVERAGE_PATTERN ENABLED="true">
-        <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
-      </COVERAGE_PATTERN>
-    </EXTENSION>
-    <EXTENSION ID="net.ashald.envfile">
-      <option name="IS_ENABLED" value="false" />
-      <option name="IS_SUBST" value="false" />
-      <option name="IS_PATH_MACRO_SUPPORTED" value="false" />
-      <option name="IS_IGNORE_MISSING_FILES" value="false" />
-      <option name="IS_ENABLE_EXPERIMENTAL_INTEGRATIONS" value="false" />
-      <ENTRIES>
-        <ENTRY IS_ENABLED="true" PARSER="runconfig" IS_EXECUTABLE="false" />
-      </ENTRIES>
-    </EXTENSION>
-    <EXTENSION ID="org.jetbrains.plugins.ruby.rails.run.RailsRunConfigurationExtension" SCRATCH_USE_RAILS_RUNNER="false" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_FILE_MASK" VALUE="" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_TEST_TYPE" VALUE="ALL_IN_FOLDER" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TESTS_FOLDER_PATH" VALUE="$MODULE_DIR$/test/features" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_SCRIPT_PATH" VALUE="" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_SCRIPTS_PATHS" VALUE="" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_TAGS_FILTER" VALUE="not @pending" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_NAME_FILTER" VALUE="" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="CUCUMBER_ARGS" VALUE="--color -r features --publish-quiet" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="RUNNER_VERSION" VALUE="" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="FULL_BACKTRACE" VALUE="false" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="VERBOSE_OPTION" VALUE="true" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="DRB" VALUE="false" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="ZEUS" VALUE="false" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="SPRING" VALUE="false" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="CUCUMBER_RUNNER_PATH" VALUE="" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="USE_CUSTOM_RUNNER" VALUE="false" />
-    <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="SETTINGS_VERSION" VALUE="2" />
-    <method v="2">
-      <option name="RunConfigurationTask" enabled="false" run_configuration_name="Build Test Image" run_configuration_type="docker-deploy" />
-    </method>
-  </configuration>
-</component>
\ No newline at end of file
diff --git a/.idea/runConfigurations/Build_Test_Image.xml b/.idea/runConfigurations/Run_Tests.xml
similarity index 50%
rename from .idea/runConfigurations/Build_Test_Image.xml
rename to .idea/runConfigurations/Run_Tests.xml
index a9c5ac3..091ad81 100644
--- a/.idea/runConfigurations/Build_Test_Image.xml
+++ b/.idea/runConfigurations/Run_Tests.xml
@@ -1,14 +1,11 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Build Test Image" type="docker-deploy" factoryName="dockerfile" server-name="Docker">
+  <configuration default="false" name="Run Tests" type="docker-deploy" factoryName="dockerfile" server-name="Docker">
     <deployment type="dockerfile">
       <settings>
         <option name="imageTag" value="sdkman-for-fish-tests" />
-        <option name="buildOnly" value="true" />
-        <option name="command" value="" />
-        <option name="containerName" value="" />
+        <option name="buildKitEnabled" value="true" />
+        <option name="containerName" value="sdkman-for-fish-tests" />
         <option name="contextFolderPath" value="." />
-        <option name="entrypoint" value="" />
-        <option name="commandLineOptions" value="--rm" />
         <option name="sourceFilePath" value="test/Dockerfile" />
       </settings>
     </deployment>
diff --git a/test/features/corner_cases.feature b/test/features/corner_cases.feature
index a41338c..205c638 100644
--- a/test/features/corner_cases.feature
+++ b/test/features/corner_cases.feature
@@ -23,6 +23,29 @@ Feature: Corner Cases
         And   environment variable SDKMAN_DIR has value "/tmp/sdkman"
         And   environment variable ANT_HOME has value "/tmp/sdkman/candidates/ant/current"
 
+    Scenario Outline: Completions with custom installation path
+        Given SDKMAN! is installed at /tmp/sdkman
+        And   fish config file config_sdk.fish exists with content
+            """
+            set -g __sdkman_custom_dir /tmp/sdkman
+            """
+        When the user enters "<cmd>" into the prompt
+        Then completion should propose "<completions>"
+        Examples:
+            | cmd             | completions   |
+            | install an      | ant           |
+            | uninstall an    | ant           |
+            | uninstall ant 1 | 1.10.1, 1.9.9 |
+            | list an         | ant           |
+            | use an          | ant           |
+            | use ant 1       | 1.10.1, 1.9.9 |
+            | default an      | ant           |
+            | default ant 1   | 1.10.1, 1.9.9 |
+            | home an         | ant           |
+            | home ant 1      | 1.10.1, 1.9.9 |
+            | current an      | ant           |
+            | upgrade an      | ant           |
+
     @pending # cf. issue #10
     Scenario: PATH should contain only valid paths
         Given candidate kscript is installed