Minor, tests: rename test directive in debugger tests

idea/testData/debugger/tinyApp/src/filters/checkNotNull.kt

@@ -9,4 +9,4 @@ fun main(args: Array<String>) {
     val b = 1
 }
 
-// REPEAT: 3
+// STEP_INTO: 3

idea/testData/debugger/tinyApp/src/filters/doNotSkipConstructors.kt

@@ -13,4 +13,4 @@ class A {
 }
 
 // SKIP_CONSTRUCTORS: false
-// REPEAT: 2
+// STEP_INTO: 2

idea/testData/debugger/tinyApp/src/filters/stepIntoSpecificKotlinClasses.kt

@@ -9,6 +9,6 @@ fun main(args: Array<String>) {
     val b = 1
 }
 
-// REPEAT: 5
+// STEP_INTO: 5
 // DISABLE_KOTLIN_INTERNAL_CLASSES: false
 // TRACING_FILTERS_ENABLED: false

idea/testData/debugger/tinyApp/src/filters/stepIntoStdlib.kt

@@ -7,5 +7,5 @@ fun main(args: Array<String>) {
     val b = 1
 }
 
-// REPEAT: 2
+// STEP_INTO: 2
 // TRACING_FILTERS_ENABLED: false

idea/tests/org/jetbrains/jet/plugin/debugger/AbstractKotlinSteppingTest.kt

@@ -51,7 +51,7 @@ public abstract class AbstractKotlinSteppingTest : KotlinDebuggerTestBase() {
         configureSettings(fileText)
 
         createDebugProcess(path)
-        val count = findStringWithPrefixes(fileText, "// REPEAT: ")?.toInt() ?: 1
+        val count = findStringWithPrefixes(fileText, "// STEP_INTO: ")?.toInt() ?: 1
 
         for (i in 1..count) {
             onBreakpoint { stepInto() }