Fix the eclipselsp tests

test/command_callback/test_eclipselsp_command_callback.vader

@@ -1,19 +1,21 @@
 Before:
   call ale#assert#SetUpLinterTest('java', 'eclipselsp')
-  let b:ale_java_eclipselsp_path = '/home/user/eclipse.dst.ls'
   call ale#test#SetFilename('dummy.java')
 
-  let b:cfg = '/testplugin/test/config_linux'
+  let b:ale_java_eclipselsp_path = '/home/user/eclipse.dst.ls'
+
+  let b:cfg = ale#path#Simplify(g:dir . '/../config_linux')
 
   if has('win32')
-    let b:cfg = 'C:\testplugin\test\config_win'
+    let b:cfg = ale#path#Simplify(g:dir . '/../config_win')
   elseif has('macunix')
-    let b:cfg = '/testplugin/test/config_mac'
+    let b:cfg = ale#path#Simplify(g:dir . '/../config_mac')
   endif
 
-
 After:
-  unlet b:ale_java_eclipselsp_path
+  unlet! b:ale_java_eclipselsp_path
+  unlet! b:cfg
+
   call ale#assert#TearDownLinterTest()
 
 Execute(VersionCheck should return correct version):
@@ -86,7 +88,7 @@ Execute(The eclipselsp callback should allow custom executable):
   AssertLinter '/bin/foobar', join(cmd, ' ')
 
 Execute(The eclipselsp callback should allow custom configuration path):
-  let b:ale_java_eclipselsp_config_path='/home/config'
+  let b:ale_java_eclipselsp_config_path = '/home/config'
   let cmd = [ ale#Escape('java'),
     \ '-Declipse.application=org.eclipse.jdt.ls.core.id1',
     \ '-Dosgi.bundles.defaultStartLevel=4',
@@ -97,7 +99,7 @@ Execute(The eclipselsp callback should allow custom configuration path):
     \ '-jar',
     \ '',
     \ '-configuration',
-    \ b:ale_java_eclipselsp_config_path,
+    \ ale#path#Simplify('/home/config'),
     \ '-data',
     \ ''
     \]