Adding specs for the basic repetitions

spec/parser/javascript/repeat_any_spec.js

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+import javascript from 'src/js/parser/javascript/parser.js';
+
+describe('parser/javascript/repeat_any.js', function() {
+
+  it('parses "*" as a RepeatAny', function() {
+    var parser = new javascript.Parser('*');
+    expect(parser.__consume__repeat_any()).toEqual(jasmine.objectContaining({
+      minimum: 0,
+      maximum: -1
+    }));
+  });
+
+});

spec/parser/javascript/repeat_optional_spec.js

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+import javascript from 'src/js/parser/javascript/parser.js';
+
+describe('parser/javascript/repeat_optional.js', function() {
+
+  it('parses "?" as a RepeatOptional', function() {
+    var parser = new javascript.Parser('?');
+    expect(parser.__consume__repeat_optional()).toEqual(jasmine.objectContaining({
+      minimum: 0,
+      maximum: 1
+    }));
+  });
+
+});

spec/parser/javascript/repeat_required_spec.js

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+import javascript from 'src/js/parser/javascript/parser.js';
+
+describe('parser/javascript/repeat_any.js', function() {
+
+  it('parses "+" as a RepeatRequired', function() {
+    var parser = new javascript.Parser('+');
+    expect(parser.__consume__repeat_required()).toEqual(jasmine.objectContaining({
+      minimum: 1,
+      maximum: -1
+    }));
+  });
+
+});