Debugger, tests: Change ADDITIONAL_BREAKPOINT directive format

- Make it extendable and easier to parse
- Allow to create additional function breakpoints

idea/jvm-debugger/jvm-debugger-test/testData/stepping/custom/manyFilesWithInlineCalls1.kt

@@ -12,7 +12,7 @@ fun unused() {
     secondInline()
 }
 
-// ADDITIONAL_BREAKPOINT: manyFilesWithInlineCalls1.First.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: manyFilesWithInlineCalls1.First.kt / Breakpoint 1
 
 // FILE: manyFilesWithInlineCalls1.First.kt
 package manyFilesWithInlineCalls1.first

idea/jvm-debugger/jvm-debugger-test/testData/stepping/custom/manyFilesWithInlineCalls2.kt

@@ -12,7 +12,7 @@ fun unused() {
     firstInline()
 }
 
-// ADDITIONAL_BREAKPOINT: manyFilesWithInlineCalls2.Second.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: manyFilesWithInlineCalls2.Second.kt / Breakpoint 1
 
 // FILE: manyFilesWithInlineCalls2.First.kt
 package manyFilesWithInlineCalls2.first

idea/jvm-debugger/jvm-debugger-test/testData/stepping/custom/severalInlineCallsFromOtherFile.kt

@@ -16,7 +16,7 @@ fun secondCall() {
 }
 
 // RESUME: 2
-// ADDITIONAL_BREAKPOINT: severalInlineCallsFromOtherFile.Other.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: severalInlineCallsFromOtherFile.Other.kt / Breakpoint 1
 
 // FILE: severalInlineCallsFromOtherFile.Other.kt
 package severalInlineCallsFromOtherFile

idea/jvm-debugger/jvm-debugger-test/testData/stepping/custom/stepIntoStdlibInlineFun2step.kt

@@ -5,7 +5,7 @@ fun main(args: Array<String>) {
     customLib.functionInLibrary.simpleFun()
 }
 
-// ADDITIONAL_BREAKPOINT: functionInLibrary.kt:public inline fun simpleFun()
+// ADDITIONAL_BREAKPOINT: functionInLibrary.kt / public inline fun simpleFun()
 // STEP_INTO: 5
 
 // FILE: customLib/functionInLibrary/functionInLibrary.kt

idea/jvm-debugger/jvm-debugger-test/testData/stepping/stepOver/inlineInObject.kt

@@ -5,7 +5,7 @@ fun main(args: Array<String>) {
     inlineInObject.other.TestInlineInObject.inlineFun()
 }
 
-// ADDITIONAL_BREAKPOINT: inlineInObject.Other.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: inlineInObject.Other.kt / Breakpoint 1
 
 // FILE: inlineInObject.Other.kt
 package inlineInObject.other

idea/jvm-debugger/jvm-debugger-test/testData/stepping/stepOver/stopInInlineInOtherFile.kt

@@ -5,7 +5,7 @@ fun main(args: Array<String>) {
     inlineFun()
 }
 
-// ADDITIONAL_BREAKPOINT: stopInInlineInOtherFile.Other.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: stopInInlineInOtherFile.Other.kt / Breakpoint 1
 
 // FILE: stopInInlineInOtherFile.Other.kt
 package stopInInlineInOtherFile

idea/jvm-debugger/jvm-debugger-test/testData/stepping/stepOver/stopInInlineInOtherFileWithLambdaArgument.kt

@@ -6,7 +6,7 @@ fun main(args: Array<String>) {
     val i = 1
 }
 
-// ADDITIONAL_BREAKPOINT: stopInInlineInOtherFileWithLambdaArgument.Other.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: stopInInlineInOtherFileWithLambdaArgument.Other.kt / Breakpoint 1
 
 // FILE: stopInInlineInOtherFileWithLambdaArgument.Other.kt
 package stopInInlineInOtherFileWithLambdaArgument

idea/jvm-debugger/jvm-debugger-test/testData/stepping/stepOver/stopInWrongClass.kt

@@ -19,7 +19,7 @@ fun main(args: Array<String>) {
     AA().other()
 }
 
-// ADDITIONAL_BREAKPOINT: stopInWrongClass.Other.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: stopInWrongClass.Other.kt / Breakpoint 1
 
 // FILE: stopInWrongClass.Other.kt
 package stopInWrongClass