tests: fix false failure with spaces in the test directory

* tests/misc/env.sh: Skip if we can't execute the generated shebang,
which would be the case if there are spaces in the directory hierarchy.
This is triggered by `make distcheck`

diff --git a/tests/misc/env.sh b/tests/misc/env.sh
index 883c58f54694de84d6cc359b024d4c545507a192..d06a1fb08e60dc3cfa15ac194601b8889b392bd6 100755 (executable)
--- a/tests/misc/env.sh
+++ b/tests/misc/env.sh
@@ -25,6 +25,10 @@ echo "#!$abs_top_builddir/src/echo simple_echo" > simple_echo \
   || framework_failure_
 chmod a+x simple_echo || framework_failure_
 
+# Verify we can run the shebang which is not the case if
+# there are spaces in $abs_top_builddir.
+./simple_echo || skip_ "Error running simple_echo script"
+
 # Verify clearing the environment
 a=1
 export a