Code completion: space after comma on selecting item with comma key

idea/testData/completion/handlers/charFilter/Comma1.kt.after

@@ -2,7 +2,7 @@ fun foo(p1: Int) { }
 fun foo(p1: Int, p2: Int) { }
 
 fun bar(ppp: Int, a: Int) {
-    foo(ppp,<caret>)
+    foo(ppp, <caret>)
 }
 
 // ELEMENT: ppp

idea/testData/completion/handlers/charFilter/Comma2.kt.after

@@ -1,7 +1,7 @@
 fun foo(p1: Int, p2: Int) { }
 
 fun bar(pp: Int, a: Int) {
-    foo(pp,<caret>)
+    foo(pp, <caret>)
 }
 
 // COMPLETION_TYPE: SMART

idea/testData/completion/handlers/charFilter/Comma3.kt

@@ -0,0 +1,11 @@
+// this test tests that no space auto-inserted after comma if we are just typing
+
+fun foo(p1: Int, p2: Int) { }
+
+fun bar(ppp: Int, ppp1: Int) {
+    foo(ppp<caret>)
+}
+
+// INVOCATION_COUNT: 0
+// ELEMENT: *
+// CHAR: ','

idea/testData/completion/handlers/charFilter/Comma3.kt.after

@@ -0,0 +1,11 @@
+// this test tests that no space auto-inserted after comma if we are just typing
+
+fun foo(p1: Int, p2: Int) { }
+
+fun bar(ppp: Int, ppp1: Int) {
+    foo(ppp,<caret>)
+}
+
+// INVOCATION_COUNT: 0
+// ELEMENT: *
+// CHAR: ','

idea/testData/completion/handlers/charFilter/Comma4.kt

@@ -0,0 +1,8 @@
+fun foo(p1: Int?, p2: Int) { }
+
+fun bar(p: Int) {
+    foo(<caret>)
+}
+
+// ELEMENT: null
+// CHAR: ','

idea/testData/completion/handlers/charFilter/Comma4.kt.after

@@ -0,0 +1,8 @@
+fun foo(p1: Int?, p2: Int) { }
+
+fun bar(p: Int) {
+    foo(null, <caret>)
+}
+
+// ELEMENT: null
+// CHAR: ','

idea/testData/completion/handlers/charFilter/Comma5.kt

@@ -0,0 +1,8 @@
+fun foo(p1: Int?, p2: Int) { }
+
+fun bar(nullable: Int?) {
+    foo(null<caret>)
+}
+
+// ELEMENT: *
+// CHAR: ','

idea/testData/completion/handlers/charFilter/Comma5.kt.after

@@ -0,0 +1,8 @@
+fun foo(p1: Int?, p2: Int) { }
+
+fun bar(nullable: Int?) {
+    foo(null,<caret>)
+}
+
+// ELEMENT: *
+// CHAR: ','