patch 8.1.1346: error for Python exception does not show useful info

Problem:    Error for Python exception does not show useful info.
Solution:   Show the last line instead of the first one. (Ben Jackson,
            closes #4381)
diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index 24d3fd4..6ad02e3 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -91,7 +91,7 @@
 0.0
 "\0":	Vim(let):E859:
 {"\0": 1}:	Vim(let):E859:
-undefined_name:	Vim(let):Trace
+undefined_name:	Vim(let):NameE
 vim:	Vim(let):E859:
 [1]
 [1, 10, 11, 10, 11, 10, 11, 10, 11, 10, 11, 10, 1]
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index a7d4f64..7ddea8f 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -91,7 +91,7 @@
 0.0
 "\0":	Vim(let):E859:
 {"\0": 1}:	Vim(let):E859:
-undefined_name:	Vim(let):Trace
+undefined_name:	Vim(let):NameE
 vim:	Vim(let):E859:
 [1]
 [1, 10, 11, 10, 11, 10, 11, 10, 11, 10, 11, 10, 1]
diff --git a/src/testdir/test_python2.vim b/src/testdir/test_python2.vim
index 632f7a8..5703231 100644
--- a/src/testdir/test_python2.vim
+++ b/src/testdir/test_python2.vim
@@ -160,3 +160,11 @@
 
   bwipe!
 endfunction
+
+func Test_Catch_Exception_Message()
+  try
+    py raise RuntimeError( 'TEST' )
+  catch /.*/
+    call assert_match( '^Vim(.*):RuntimeError: TEST$', v:exception )
+  endtry
+endfunc
diff --git a/src/testdir/test_python3.vim b/src/testdir/test_python3.vim
index 514661e..aacc5a5 100644
--- a/src/testdir/test_python3.vim
+++ b/src/testdir/test_python3.vim
@@ -160,3 +160,11 @@
 
   bwipe!
 endfunction
+
+func Test_Catch_Exception_Message()
+  try
+    py3 raise RuntimeError( 'TEST' )
+  catch /.*/
+    call assert_match( '^Vim(.*):RuntimeError: TEST$', v:exception )
+  endtry
+endfunc
diff --git a/src/testdir/test_pyx2.vim b/src/testdir/test_pyx2.vim
index 50e57c3..baaf7fa 100644
--- a/src/testdir/test_pyx2.vim
+++ b/src/testdir/test_pyx2.vim
@@ -72,3 +72,11 @@
     call assert_match(s:py3pattern, split(var)[0])
   endif
 endfunc
+
+func Test_Catch_Exception_Message()
+  try
+    pyx raise RuntimeError( 'TEST' )
+  catch /.*/
+    call assert_match( '^Vim(.*):RuntimeError: TEST$', v:exception )
+  endtry
+endfunc
diff --git a/src/testdir/test_pyx3.vim b/src/testdir/test_pyx3.vim
index 64546b4..4b6057a 100644
--- a/src/testdir/test_pyx3.vim
+++ b/src/testdir/test_pyx3.vim
@@ -72,3 +72,11 @@
     call assert_match(s:py2pattern, split(var)[0])
   endif
 endfunc
+
+func Test_Catch_Exception_Message()
+  try
+    pyx raise RuntimeError( 'TEST' )
+  catch /.*/
+    call assert_match( '^Vim(.*):RuntimeError: TEST$', v:exception )
+  endtry
+endfunc