tests: abort if setup fails!

Otherwise the user's auth file might get removed.

tests/_autoenv_stack.t

@@ -1,6 +1,6 @@
 Tests for internal stack handling.
 
-  $ source $TESTDIR/setup.sh
+  $ source $TESTDIR/setup.sh || return 1
 
 Non-existing entries are allowed and handled without error.
 

tests/_autoenv_utils.t

@@ -1,6 +1,6 @@
 Tests for internal util methods.
 
-  $ source $TESTDIR/setup.sh
+  $ source $TESTDIR/setup.sh || return 1
 
 Non-existing entries are allowed and handled without error.
 

tests/autoenv.t

@@ -1,4 +1,4 @@
-  $ source $TESTDIR/setup.sh
+  $ source $TESTDIR/setup.sh || return 1
 
 Lets set a simple .env action
 

tests/cwd.t

@@ -1,6 +1,6 @@
 Test $PWD, $autoenv_event, $autoenv_from_dir and $autoenv_to_dir.
 
-  $ source $TESTDIR/setup.sh
+  $ source $TESTDIR/setup.sh || return 1
 
 Setup env actions / output.
 

tests/leave.t

@@ -1,4 +1,4 @@
-  $ source $TESTDIR/setup.sh
+  $ source $TESTDIR/setup.sh || return 1
 
 Lets set a simple .env action
 

tests/recurse-upwards.t

@@ -1,6 +1,6 @@
 Test recursing into parent .env files.
 
-  $ source $TESTDIR/setup.sh
+  $ source $TESTDIR/setup.sh || return 1
 
 Setup env actions / output.
 

tests/varstash.t

@@ -1,6 +1,6 @@
 Test varstash integration.
 
-  $ source $TESTDIR/setup.sh
+  $ source $TESTDIR/setup.sh || return 1
 
 Setup test environment.