diff --git a/test/pseudo-tty/no_dropped_stdio.js b/test/pseudo-tty/no_dropped_stdio.js
index b24d234a38..f7d9625c62 100644
--- a/test/pseudo-tty/no_dropped_stdio.js
+++ b/test/pseudo-tty/no_dropped_stdio.js
@@ -1,7 +1,7 @@
 // https://github.com/nodejs/node/issues/6456#issuecomment-219320599
 // https://gist.github.com/isaacs/1495b91ec66b21d30b10572d72ad2cdd
 'use strict';
-require('../common');
+const common = require('../common');
 
 // 1000 bytes wrapped at 50 columns
 // \n turns into a double-byte character
@@ -11,5 +11,9 @@ let out = ('o'.repeat(48) + '\n').repeat(20);
 // This results in 1025 bytes, just enough to overflow the 1kb OS X TTY buffer.
 out += 'o'.repeat(24) + 'O';
 
-process.stdout.write(out);
-process.exit(0);
+// In AIX, the child exits even before the python parent
+// can setup the readloop. Provide a reasonable delay.
+setTimeout(function() {
+  process.stdout.write(out);
+  process.exit(0);
+}, common.isAix ? 200 : 0);
diff --git a/test/pseudo-tty/no_interleaved_stdio.js b/test/pseudo-tty/no_interleaved_stdio.js
index ff3ed8594a..ba3989f938 100644
--- a/test/pseudo-tty/no_interleaved_stdio.js
+++ b/test/pseudo-tty/no_interleaved_stdio.js
@@ -1,7 +1,7 @@
 // https://github.com/nodejs/node/issues/6456#issuecomment-219320599
 // https://gist.github.com/isaacs/1495b91ec66b21d30b10572d72ad2cdd
 'use strict';
-require('../common');
+const common = require('../common');
 
 // 1000 bytes wrapped at 50 columns
 // \n turns into a double-byte character
@@ -13,5 +13,9 @@ out += 'o'.repeat(24) + 'O';
 
 const err = '__This is some stderr__';
 
-process.stdout.write(out);
-process.stderr.write(err);
+// In AIX, the child exits even before the python parent
+// can setup the readloop. Provide a reasonable delay.
+setTimeout(function() {
+  process.stdout.write(out);
+  process.stderr.write(err);
+}, common.isAix ? 200 : 0);
diff --git a/test/pseudo-tty/pseudo-tty.status b/test/pseudo-tty/pseudo-tty.status
index 50f54de029..13279019b6 100644
--- a/test/pseudo-tty/pseudo-tty.status
+++ b/test/pseudo-tty/pseudo-tty.status
@@ -1,8 +1,5 @@
 prefix pseudo-tty
 
 [$system==aix]
-# test issue only, covered under https://github.com/nodejs/node/issues/7973
-no_dropped_stdio           : SKIP
-no_interleaved_stdio       : SKIP
 # being investigated under https://github.com/nodejs/node/issues/9728
 test-tty-wrap              : FAIL, PASS
diff --git a/test/pseudo-tty/test-stderr-stdout-handle-sigwinch.js b/test/pseudo-tty/test-stderr-stdout-handle-sigwinch.js
index f828e92afb..4d87e15d34 100644
--- a/test/pseudo-tty/test-stderr-stdout-handle-sigwinch.js
+++ b/test/pseudo-tty/test-stderr-stdout-handle-sigwinch.js
@@ -27,4 +27,8 @@ process.stdout._refreshSize = wrap(originalRefreshSizeStdout,
                                    process.stdout,
                                    'calling stdout._refreshSize');
 
-process.emit('SIGWINCH');
+// In AIX, the child exits even before the python parent
+// can setup the readloop. Provide a reasonable delay.
+setTimeout(function() {
+  process.emit('SIGWINCH');
+}, common.isAix ? 200 : 0);