Tests should fail if the OS filename argument is missing.

test/bochs.sh

@@ -3,6 +3,7 @@ set -e
 
 if test $# -ne 1 || test "$1" = '-h' -o "$1" = '--help'; then
     echo "Usage: $0 operating_system_file"
+    exit 1
 fi
 os_filename="$1"
 

test/dosbox.sh

@@ -3,6 +3,7 @@ set -e
 
 if test $# -ne 1 || test "$1" = '-h' -o "$1" = '--help'; then
     echo "Usage: $0 operating_system_file"
+    exit 1
 fi
 os_filename="$1"
 

test/gui-sh-mac.sh

@@ -3,6 +3,7 @@ set -e
 
 if test $# -ne 1 || test "$1" = '-h' -o "$1" = '--help'; then
     echo "Usage: $0 operating_system_file"
+    exit 1
 fi
 # Force the path to be relative or absolute, but with at least one /
 # Otherwise, the command will be searched in the $PATH, instead of using the

test/gui-sh.sh

@@ -3,6 +3,7 @@ set -e
 
 if test $# -ne 1 || test "$1" = '-h' -o "$1" = '--help'; then
     echo "Usage: $0 operating_system_file"
+    exit 1
 fi
 # Force the path to be relative or absolute, but with at least one /
 # Otherwise, the command will be searched in the $PATH, instead of using the

test/qemu-system-i386-cdrom.sh

@@ -3,6 +3,7 @@ set -e
 
 if test $# -ne 1 || test "$1" = '-h' -o "$1" = '--help'; then
     echo "Usage: $0 operating_system_file"
+    exit 1
 fi
 os_filename="$1"
 

test/qemu-system-i386-floppy.sh

@@ -3,6 +3,7 @@ set -e
 
 if test $# -ne 1 || test "$1" = '-h' -o "$1" = '--help'; then
     echo "Usage: $0 operating_system_file"
+    exit 1
 fi
 os_filename="$1"
 

test/virtualbox.sh

@@ -3,6 +3,7 @@ set -e
 
 if test $# -ne 1 || test "$1" = '-h' -o "$1" = '--help'; then
     echo "Usage: $0 operating_system_file"
+    exit 1
 fi
 os_filename="$1"