iotests: s/qocw2/qcow2/

Probably due to blind copy-pasting, we have several instances of "qocw2"
in our iotests.  Fix them.

Reported-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20191107163708.833192-2-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
diff --git a/tests/qemu-iotests/060 b/tests/qemu-iotests/060
index d96f17a..7439be8 100755
--- a/tests/qemu-iotests/060
+++ b/tests/qemu-iotests/060
@@ -44,7 +44,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto file
 _supported_os Linux
diff --git a/tests/qemu-iotests/061 b/tests/qemu-iotests/061
index 4eac5b8..e1b8044 100755
--- a/tests/qemu-iotests/061
+++ b/tests/qemu-iotests/061
@@ -37,7 +37,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto file
 _supported_os Linux
diff --git a/tests/qemu-iotests/062 b/tests/qemu-iotests/062
index d5f818f..79738b1 100755
--- a/tests/qemu-iotests/062
+++ b/tests/qemu-iotests/062
@@ -37,7 +37,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto generic
 
diff --git a/tests/qemu-iotests/066 b/tests/qemu-iotests/066
index 28f8c98..cacbdb6 100755
--- a/tests/qemu-iotests/066
+++ b/tests/qemu-iotests/066
@@ -36,7 +36,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto generic
 
diff --git a/tests/qemu-iotests/068 b/tests/qemu-iotests/068
index 22f5ca3..c164ccc 100755
--- a/tests/qemu-iotests/068
+++ b/tests/qemu-iotests/068
@@ -36,7 +36,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto generic
 
diff --git a/tests/qemu-iotests/108 b/tests/qemu-iotests/108
index 9c08172..872a9af 100755
--- a/tests/qemu-iotests/108
+++ b/tests/qemu-iotests/108
@@ -37,7 +37,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto file
 _supported_os Linux
diff --git a/tests/qemu-iotests/138 b/tests/qemu-iotests/138
index 6a73137..8b2f587 100755
--- a/tests/qemu-iotests/138
+++ b/tests/qemu-iotests/138
@@ -36,7 +36,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto file
 _supported_os Linux
diff --git a/tests/qemu-iotests/261 b/tests/qemu-iotests/261
index fb96bcf..9f28172 100755
--- a/tests/qemu-iotests/261
+++ b/tests/qemu-iotests/261
@@ -40,7 +40,7 @@
 . ./common.rc
 . ./common.filter
 
-# This tests qocw2-specific low-level functionality
+# This tests qcow2-specific low-level functionality
 _supported_fmt qcow2
 _supported_proto file
 _supported_os Linux