Index: lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/attach/TestVSCode_attach.py
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/attach/TestVSCode_attach.py
+++ lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/attach/TestVSCode_attach.py
@@ -47,7 +47,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @skipIfNetBSD # Hangs on NetBSD as well
     @no_debug_info_test
     def test_by_pid(self):
@@ -65,7 +64,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @skipIfNetBSD # Hangs on NetBSD as well
     @no_debug_info_test
     def test_by_name(self):
@@ -94,14 +92,14 @@
                                         stdin=subprocess.PIPE,
                                         stdout=subprocess.PIPE,
                                         stderr=subprocess.PIPE)
-        # Wait for a bit to ensure the process is launched
-        time.sleep(5)
+        # Wait for a bit to ensure the process is launched, but not for so long
+        # that the process has already finished by the time we attach.
+        time.sleep(3)
         self.attach(program=program)
         self.set_and_hit_breakpoint(continueToExit=True)
 
     @skipUnlessDarwin
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @skipIfNetBSD # Hangs on NetBSD as well
     @no_debug_info_test
     def test_by_name_waitFor(self):
@@ -120,7 +118,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @skipIfNetBSD # Hangs on NetBSD as well
     @no_debug_info_test
     def test_commands(self):
Index: lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/attach/main.c
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/attach/main.c
+++ lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/attach/main.c
@@ -3,6 +3,6 @@
 
 int main(int argc, char const *argv[]) {
   printf("pid = %i\n", getpid());
-  sleep(5);
+  sleep(10);
   return 0; // breakpoint 1
 }
Index: lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/breakpoint/TestVSCode_setFunctionBreakpoints.py
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/breakpoint/TestVSCode_setFunctionBreakpoints.py
+++ lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/breakpoint/TestVSCode_setFunctionBreakpoints.py
@@ -21,7 +21,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # test hangs on linux under heavy load
     @no_debug_info_test
     def test_set_and_clear(self):
         '''Tests setting and clearing function breakpoints.
@@ -114,7 +113,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # test hangs on linux under heavy load
     @no_debug_info_test
     def test_functionality(self):
         '''Tests hitting breakpoints and the functionality of a single
Index: lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/launch/TestVSCode_launch.py
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/launch/TestVSCode_launch.py
+++ lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-vscode/launch/TestVSCode_launch.py
@@ -21,7 +21,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_default(self):
         '''
@@ -41,7 +40,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_stopOnEntry(self):
         '''
@@ -63,7 +61,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_cwd(self):
         '''
@@ -92,7 +89,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_debuggerRoot(self):
         '''
@@ -122,7 +118,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_sourcePath(self):
         '''
@@ -150,7 +145,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_disableSTDIO(self):
         '''
@@ -167,7 +161,7 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
+    @skipIfLinux # shell argument expansion doesn't seem to work on Linux
     @expectedFailureNetBSD
     @no_debug_info_test
     def test_shellExpandArguments_enabled(self):
@@ -194,7 +188,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_shellExpandArguments_disabled(self):
         '''
@@ -222,7 +215,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_args(self):
         '''
@@ -250,7 +242,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_environment(self):
         '''
@@ -285,7 +276,6 @@
 
     @skipIfWindows
     @skipIfDarwin # Skip this test for now until we can figure out why tings aren't working on build bots
-    @skipIfLinux # This test is timing out and/or failing on Linux as well as Darwin
     @no_debug_info_test
     def test_commands(self):
         '''