diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 496527b192..5edfead89f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
         node-version: 12.x
     - name: Install dependencies
       run: |
-        brew install freetype glfw openssl
+        brew install freetype glfw openssl postgres
         export LIBRARY_PATH="$LIBRARY_PATH:/usr/local/opt/openssl/lib/"
     - name: Build V
       run:  make && ./v -o v v.v
@@ -37,6 +37,10 @@ jobs:
       run:  ./v -o v2 v.v && ./v2 -o v3 v.v
     - name: Test symlink
       run:  sudo ./v symlink
+    - name: Set up pg database
+      run: |
+        psql -U postgres -c 'create database customerdb;'
+        psql -d customerdb -f examples/database/pg/mydb.sql
     - name: Test v->c
       run: ./v test-compiler
     - name: Test v binaries
diff --git a/tools/modules/testing/common.v b/tools/modules/testing/common.v
index 2fe008c66d..519e41f5c2 100644
--- a/tools/modules/testing/common.v
+++ b/tools/modules/testing/common.v
@@ -19,7 +19,7 @@ pub mut:
 	fail string
 }
 
-pub fn new_test_sesion(vargs string) TestSession {
+pub fn new_test_session(vargs string) TestSession {
 	return TestSession{
 		vexe: vexe_path()
 		vargs: vargs
@@ -50,6 +50,9 @@ pub fn (ts mut TestSession) test() {
 		$if windows {
 			if file.contains('sqlite') { continue }
 		}
+		$if !macos {
+			if file.contains('customer') { continue }
+		}
 		$if msvc {
 			if file.contains('asm') { continue }
 		}
@@ -108,11 +111,11 @@ pub fn v_build_failing(zargs string, folder string) bool {
 	parent_dir := os.dir(vexe)
 	vlib_should_be_present( parent_dir )
 	vargs := zargs.replace(vexe, '')
-	
+
 	eprintln(main_label)
 	eprintln('   v compiler args: "$vargs"')
-	
-	mut session := new_test_sesion( vargs )
+
+	mut session := new_test_session( vargs )
 	files := os.walk_ext(filepath.join(parent_dir, folder),'.v')
 	mains := files.filter(!it.contains('modules'))
 	mut rebuildable_mains := mains
@@ -148,8 +151,8 @@ pub fn building_any_v_binaries_failed() bool {
 	parent_dir := os.dir(vexe)
 	testing.vlib_should_be_present( parent_dir )
 	os.chdir( parent_dir )
-	
-	mut failed := false 
+
+	mut failed := false
 	v_build_commands := [
 
 		// '$vexe -o v_g             -g  v.v',
@@ -160,11 +163,11 @@ pub fn building_any_v_binaries_failed() bool {
 
 		'$vexe -o v_prod    -prod     v.v',
 	]
-	
+
 	mut bmark := benchmark.new_benchmark()
 	bok   := term.ok_message('OK')
 	bfail := term.fail_message('FAIL')
-	for cmd in v_build_commands { 
+	for cmd in v_build_commands {
 		bmark.step()
 		if build_v_cmd_failed(cmd) {
 			bmark.fail()
@@ -174,10 +177,10 @@ pub fn building_any_v_binaries_failed() bool {
 			continue
 		}
 		bmark.ok()
-		eprintln(bmark.step_message('$cmd => ${bok}'))		
+		eprintln(bmark.step_message('$cmd => ${bok}'))
 	}
 	bmark.stop()
 	eprintln( bmark.total_message( 'building v binaries' ) )
-	
+
 	return failed
 }
diff --git a/tools/vtest-compiler.v b/tools/vtest-compiler.v
index a7c21fff78..728155e3f4 100644
--- a/tools/vtest-compiler.v
+++ b/tools/vtest-compiler.v
@@ -5,7 +5,7 @@ import (
 	testing
 	benchmark
 	filepath
-)  
+)
 
 pub const (
 	v_modules_path = os.home_dir() + '.vmodules'
@@ -21,18 +21,18 @@ fn v_test_compiler(vargs string){
 	vexe := testing.vexe_path()
 	parent_dir := os.dir(vexe)
 	testing.vlib_should_be_present( parent_dir )
-  
+
 	// Changing the current directory is needed for some of the compiler tests,
 	// compiler/tests/local_test.v and compiler/tests/repl/repl_test.v
 	os.chdir( parent_dir )
-  
+
 	/*
 	if !os.exists(parent_dir + '/v.v') {
 		eprintln('v.v is missing, it must be next to the V executable')
 		exit(1)
 	}
 	*/
-	
+
 	// Make sure v.c can be compiled without warnings
 	$if macos {
 		if os.exists('/v.v') {
@@ -44,11 +44,11 @@ fn v_test_compiler(vargs string){
 			eprintln('v.c can be compiled without warnings. This is good :)')
 		}
 	}
-	
+
 	building_tools_failed := testing.v_build_failing(vargs, 'tools')
-	
+
 	eprintln('\nTesting all _test.v files...')
-	mut compiler_test_session := testing.new_test_sesion( vargs )
+	mut compiler_test_session := testing.new_test_session( vargs )
 	compiler_test_session.files << os.walk_ext(parent_dir, '_test.v')
 	compiler_test_session.test()
 	eprintln( compiler_test_session.benchmark.total_message('running V tests') )
@@ -57,7 +57,7 @@ fn v_test_compiler(vargs string){
 	building_examples_failed := testing.v_build_failing(vargs, 'examples')
 
 	eprintln('')
-	building_live_failed := testing.v_build_failing(vargs + '-live', 
+	building_live_failed := testing.v_build_failing(vargs + '-live',
                                     filepath.join( 'examples', 'hot_reload'))
 
 	eprintln('')
@@ -73,12 +73,12 @@ fn v_test_compiler(vargs string){
 	}
 	vmark.stop()
 	eprintln( 'Installing a v module took: ' + vmark.total_duration().str() + 'ms')
-	
-	if building_tools_failed || 
-     compiler_test_session.failed || 
-     building_examples_failed || 
+
+	if building_tools_failed ||
+     compiler_test_session.failed ||
+     building_examples_failed ||
      building_live_failed {
 		exit(1)
 	}
-	
+
 }
diff --git a/tools/vtest.v b/tools/vtest.v
index ba192501b8..cb061c2c7d 100644
--- a/tools/vtest.v
+++ b/tools/vtest.v
@@ -2,7 +2,7 @@ module main
 
 import (
 	os
-  testing
+	testing
 )
 
 pub fn main() {
@@ -29,8 +29,8 @@ pub fn main() {
 		eprintln('Use `v test-compiler` instead.')
 		exit(1)
 	}
-  
-	mut ts := testing.new_test_sesion(args_before)
+
+	mut ts := testing.new_test_session(args_before)
 	for targ in args_after.split(' ') {
 		if os.exists(targ) && targ.ends_with('_test.v') {
 			ts.files << targ
diff --git a/vlib/builtin/array_test.v b/vlib/builtin/array_test.v
index 716034d5f8..73b0ba69f1 100644
--- a/vlib/builtin/array_test.v
+++ b/vlib/builtin/array_test.v
@@ -223,7 +223,7 @@ fn test_right_with_n_bigger_than_array_size() {
 	// mut b := a[10..]
 	mut b := a.right(10)
 	assert b.len == 0
-	
+
 	// also check that the result of a.right
 	// is an array of the same type/element size as a:
 	b << 5
@@ -285,6 +285,10 @@ const (
 	N = 5
 )
 
+struct Foooj {
+	a [N]int
+}
+
 fn test_fixed() {
 	mut nums := [4]int
 	assert nums[0] == 0
@@ -368,7 +372,7 @@ fn test_single_element() {
 	assert a[0] == 1
 	assert a[1] == 2
 	println(a)
-}	
+}
 
 fn test_find_index() {
 	// string
@@ -452,7 +456,7 @@ fn test_filter() {
 	d := c.filter(it.len > 1)
 	assert d[0] == 'is'
 	assert d[1] == 'awesome'
-}	
+}
 
 fn test_map() {
 	a := [1, 2, 3, 4, 5, 6]
@@ -471,8 +475,8 @@ fn test_map() {
 	assert bools[0] == true
 	assert bools[1] == false
 	assert bools[2] == false
-	
-}	
+
+}
 
 fn test_array_str() {
 	numbers := [1, 2, 3]
@@ -502,7 +506,7 @@ fn test_sort() {
 	assert nums[2] == 42
 	assert nums[3] == 67
 	assert nums[4] == 108
-}	
+}
 
 
 
@@ -514,10 +518,10 @@ fn test_for_last() {
 		s += '$num'
 		if !last {
 			s += ', '
-			
-		}	
-	}	
+
+		}
+	}
 	s += ']'
 	assert s == '[1, 2, 3, 4]'
-}	
+}
 */